$ROG
ROGERS CORP Stock $rog

$rog Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000008474820000009 Filed on February 21, 2020

Income Statement

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$222.9M	$226.9M	$214.7M
YoY Change	6.67%	9.71%	6.58%
Cost Of Revenue	$144.6M	$147.7M	$138.0M
YoY Change	8.31%	18.57%	14.17%
Gross Profit	$78.38M	$79.13M	$76.67M
YoY Change	3.82%	-3.72%	-4.81%
Gross Profit Margin	35.15%	34.88%	35.72%
Selling, General & Admin	$41.00M	$39.94M	$42.54M
YoY Change	-14.76%	2.39%	6.32%
% of Gross Profit	52.31%	50.48%	55.48%
Research & Development	$8.600M	$7.630M	$8.750M
YoY Change	7.5%	2.96%	22.53%
% of Gross Profit	10.97%	9.64%	11.41%
Depreciation & Amortization	$14.80M	$13.20M	$11.00M
YoY Change	29.82%	17.86%	0.0%
% of Gross Profit	18.88%	16.68%	14.35%
Operating Expenses	$49.50M	$47.57M	$51.29M
YoY Change	-11.76%	2.48%	8.77%
Operating Profit	$28.88M	$29.64M	$25.22M
YoY Change	48.91%	-24.37%	-21.94%
Interest Expense	-$1.800M	-$2.000M	-$1.292M
YoY Change	-190.0%	22.03%	-33.64%
% of Operating Profit	-6.23%	-6.75%	-5.12%
Other Income/Expense, Net	$400.0K	-$680.0K	-$34.00K
YoY Change	-500.0%	-134.15%	-113.08%
Pretax Income	$25.40M	$28.60M	$25.70M
YoY Change	23.9%	-30.11%	-18.65%
Income Tax	$700.0K	$8.870M	$8.373M
% Of Pretax Income	2.76%	31.01%	32.58%
Net Earnings	$24.50M	$19.73M	$17.33M
YoY Change	250.0%	-22.71%	-17.07%
Net Earnings / Revenue	10.99%	8.7%	8.07%
Basic Earnings Per Share		$1.07	$0.94
Diluted Earnings Per Share	$1.310M	$1.06	$0.93
COMMON SHARES
Basic Shares Outstanding	18.39M shares	18.40M shares	18.39M shares
Diluted Shares Outstanding		18.68M shares	18.66M shares

Balance Sheet

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$167.7M	$149.6M	$174.7M
YoY Change	-7.45%	-0.93%	-1.47%
Cash & Equivalents	$167.7M	$149.6M	$174.7M
Short-Term Investments
Other Short-Term Assets	$10.83M	$12.42M	$13.54M
YoY Change	2.35%	25.1%	30.71%
Inventory	$132.6M	$125.9M	$117.7M
Prepaid Expenses
Receivables	$144.6M	$155.7M	$148.7M
Other Receivables	$4.100M	$5.600M	$5.600M
Total Short-Term Assets	$485.8M	$472.3M	$485.4M
YoY Change	6.88%	10.9%	9.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$242.8M	$241.5M	$184.5M
YoY Change	35.16%	38.12%	6.41%
Goodwill	$264.9M	$266.3M	$234.3M
YoY Change	11.72%	13.52%	0.88%
Intangibles	$177.0M	$181.6M	$152.0M
YoY Change	10.44%	10.65%	-9.1%
Long-Term Investments	$18.67M	$17.81M	$19.41M
YoY Change	1.87%	-7.9%	8.15%
Other Assets	$3.045M	$21.87M	$5.503M
YoY Change	-47.25%	299.73%	-7.71%
Total Long-Term Assets	$793.6M	$797.1M	$662.7M
YoY Change	18.33%	21.57%	0.76%
TOTAL ASSETS
Total Short-Term Assets	$485.8M	$472.3M	$485.4M
Total Long-Term Assets	$793.6M	$797.1M	$662.7M
Total Assets	$1.279B	$1.269B	$1.148B
YoY Change	13.71%	17.36%	4.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$40.32M	$40.00M	$37.30M
YoY Change	11.64%	11.52%	4.89%
Accrued Expenses	$53.90M	$52.30M	$51.20M
YoY Change	-17.08%	-4.04%	-1.16%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$400.0K	$400.0K	$600.0K
YoY Change		0.0%	50.0%
Total Short-Term Liabilities	$107.2M	$107.6M	$98.74M
YoY Change	-5.82%	-5.61%	-7.9%
LONG-TERM LIABILITIES
Long-Term Debt	$228.5M	$233.5M	$131.0M
YoY Change	74.44%	77.98%	-31.49%
Other Long-Term Liabilities	$9.596M	$4.028M	$4.119M
YoY Change	177.02%	18.19%	16.85%
Total Long-Term Liabilities	$238.1M	$237.5M	$135.1M
YoY Change	77.08%	76.46%	-30.62%
TOTAL LIABILITIES
Total Short-Term Liabilities	$107.2M	$107.6M	$98.74M
Total Long-Term Liabilities	$238.1M	$237.5M	$135.1M
Total Liabilities	$345.3M	$345.1M	$233.8M
YoY Change	39.07%	38.83%	-22.55%
SHAREHOLDERS EQUITY
Retained Earnings	$776.4M	$752.0M	$732.2M
YoY Change	13.42%	10.98%	12.3%
Common Stock	$150.8M	$148.0M	$144.8M
YoY Change	2.42%	3.62%	2.18%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$848.3M	$826.4M	$804.8M
YoY Change
Total Liabilities & Shareholders Equity	$1.279B	$1.269B	$1.148B
YoY Change	13.71%	17.36%	4.46%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$24.50M	$19.73M	$17.33M
YoY Change	250.0%	-22.71%	-17.07%
Depreciation, Depletion And Amortization	$14.80M	$13.20M	$11.00M
YoY Change	29.82%	17.86%	0.0%
Cash From Operating Activities	$33.40M	$10.60M	$14.00M
YoY Change	-14.58%	-70.06%	-66.1%
INVESTING ACTIVITIES
Capital Expenditures	-$10.50M	-$59.80M	-$11.10M
YoY Change	10.53%	647.5%	152.27%
Acquisitions
YoY Change
Other Investing Activities	$600.0K	-$78.50M	$1.000M
YoY Change	-700.0%	-1289.39%	100.0%
Cash From Investing Activities	-$9.900M	-$138.3M	-$10.10M
YoY Change	3.13%	9778.57%	158.97%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-5.100M	102.3M	0.000
YoY Change	-950.0%	-264.47%	-100.0%
NET CHANGE
Cash From Operating Activities	33.40M	10.60M	14.00M
Cash From Investing Activities	-9.900M	-138.3M	-10.10M
Cash From Financing Activities	-5.100M	102.3M	0.000
Net Change In Cash	18.40M	-25.40M	3.900M
YoY Change	-38.87%	-9.93%	-133.33%
FREE CASH FLOW
Cash From Operating Activities	$33.40M	$10.60M	$14.00M
Capital Expenditures	-$10.50M	-$59.80M	-$11.10M
Free Cash Flow	$43.90M	$70.40M	$25.10M
YoY Change	-9.67%	62.21%	-45.08%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000084748
CY2018	rog	Defined Benefit Plan Health Care Cost Employees Age DefinedBenefitPlanHealthCareCostEmployeesAge	P65Y
CY2019	rog	Defined Benefit Plan Health Care Cost Employees Age DefinedBenefitPlanHealthCareCostEmployeesAge	P65Y
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	341119000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1354000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1691000	USD
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1000
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5319000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5501000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4898000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	0	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-592000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-994000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5019000	USD
CY2019	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-6869000	USD
CY2018	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-6629000	USD
CY2017	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-6131000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7807000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	55126000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	110589000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	132925000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22938000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	87651000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	80459000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.77
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.43
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.53
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.34
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18573000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18374000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18154000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18713000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18659000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18547000	shares
CY2019	us-gaap	Net Income Loss NetIncomeLoss	47319000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	87651000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	80459000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4990000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-12505000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28463000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	43934000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-6079000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1678000	USD
CY2018Q4	us-gaap	Prepaid Taxes PrepaidTaxes	3093000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1481000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	-390000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	-176000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	-99000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-1171000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	519000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-6000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	155000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	191000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-32000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	31929000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-13679000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	27107000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	79248000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	73972000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	107566000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	166849000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	144623000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	22455000	USD
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CY2019Q4	us-gaap	Inventory Net InventoryNet	132859000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	132637000	USD
CY2019Q4	rog	Asbestos Related Insurance Receivables Current AsbestosRelatedInsuranceReceivablesCurrent	4292000	USD
CY2018Q4	rog	Asbestos Related Insurance Receivables Current AsbestosRelatedInsuranceReceivablesCurrent	4138000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	10838000	USD
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CY2019Q4	us-gaap	Assets Current AssetsCurrent	464102000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6564000	USD
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CY2019Q4	rog	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	260246000	USD
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CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	16461000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	18667000	USD
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CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	17117000	USD
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CY2018Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	1739000	USD
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CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	158947000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	177008000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	19273000	USD
CY2019Q4	rog	Asbestos Related Insurance Receivables Noncurrent AsbestosRelatedInsuranceReceivablesNoncurrent	74024000	USD
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CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	1-4347
CY2019	dei	Entity Registrant Name EntityRegistrantName	ROGERS CORP
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	06-0513860
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	2225 W. Chandler Blvd.
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Chandler
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	AZ
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	85224-6155
CY2019	dei	City Area Code CityAreaCode	480
CY2019	dei	Local Phone Number LocalPhoneNumber	917-6000
CY2019	dei	Security12b Title Security12bTitle	Common Stock,
CY2019	dei	Trading Symbol TradingSymbol	ROG
CY2019	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	3172358484	USD
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CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	898260000	USD
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CY2019	us-gaap	Gross Profit GrossProfit	314292000	USD
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CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-959000	USD
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CY2017	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	5329000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	110481000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	112711000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	129139000	USD
CY2019Q4	us-gaap	Assets Assets	1273181000	USD
CY2018Q4	us-gaap	Assets Assets	1279344000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	33019000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	40321000	USD
CY2019Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	29678000	USD
CY2018Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	30491000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	10649000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52466000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	47319000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	7032000	USD
CY2019Q4	rog	Asbestos Liability Current AsbestosLiabilityCurrent	5007000	USD
CY2018Q4	rog	Asbestos Liability Current AsbestosLiabilityCurrent	5547000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	21872000	USD
CY2019Q4	us-gaap	Prepaid Taxes PrepaidTaxes	4524000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	167738000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	122285000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	23789000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	100225000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	107180000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	123000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	12790000	USD
CY2018Q4	rog	Asbestos Related Insurance Receivables Noncurrent AsbestosRelatedInsuranceReceivablesNoncurrent	59685000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	5375000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	228482000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	1567000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	4431000	USD
CY2017	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3529000	USD
CY2019Q4	rog	Asbestos Liability Noncurrent AsbestosLiabilityNoncurrent	80873000	USD
CY2018Q4	rog	Asbestos Liability Noncurrent AsbestosLiabilityNoncurrent	64799000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	9220000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	10806000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13973000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9596000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	18577000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	18395000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	138526000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	132360000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	823702000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	776403000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-46905000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-78834000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	933900000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	848324000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1273181000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1279344000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	933900000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	848324000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	766573000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	47319000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	87651000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	80459000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	49162000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	50073000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	44099000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	12305000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	11223000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	11818000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-17549000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3325000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17513000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5319000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5501000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4898000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	161323000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	66820000	USD
CY2017	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	0	USD
CY2018	rog	Pensionand Other Postretirement Gain Loss PensionandOtherPostretirementGainLoss	1552000	USD
CY2017	rog	Pensionand Other Postretirement Gain Loss PensionandOtherPostretirementGainLoss	1561000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138982000	USD
CY2019	rog	Pensionand Other Postretirement Gain Loss PensionandOtherPostretirementGainLoss	943000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	77969000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	60191000	USD
CY2019	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	53213000	USD
CY2018	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	0	USD
CY2019	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	1720000	USD
CY2018	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	704000	USD
CY2017	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	3400000	USD
CY2019	rog	Gainon Dispositionof Property Plant Equipment GainonDispositionofPropertyPlantEquipment	-756000	USD
CY2018	rog	Gainon Dispositionof Property Plant Equipment GainonDispositionofPropertyPlantEquipment	164000	USD
CY2017	rog	Gainon Dispositionof Property Plant Equipment GainonDispositionofPropertyPlantEquipment	5154000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1537000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1506000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	807000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	437000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	236000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-439000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-20677000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3824000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14059000	USD
CY2019	rog	Increase Decreasein Contract Assetsand Liabilities IncreaseDecreaseinContractAssetsandLiabilities	-273000	USD
CY2018	rog	Increase Decreasein Contract Assetsand Liabilities IncreaseDecreaseinContractAssetsandLiabilities	22728000	USD
CY2017	rog	Increase Decreasein Contract Assetsand Liabilities IncreaseDecreaseinContractAssetsandLiabilities	0	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1200000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	19013000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	14208000	USD
CY2019	us-gaap	Pension Contributions PensionContributions	103000	USD
CY2018	us-gaap	Pension Contributions PensionContributions	25354000	USD
CY2017	us-gaap	Pension Contributions PensionContributions	906000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	1519000	USD
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	648000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	576000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-9139000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-7886000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	12341000	USD
CY2019	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	0	USD
CY2018	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	0	USD
CY2017	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	932000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-4321000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-991000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	27215000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1081000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	0	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-5885000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	43434000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	0	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5867000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-889000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-13421000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-46608000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	167738000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	181159000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	51597000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	47115000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	8095000	USD
CY2019	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	0	USD
CY2018	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	0	USD
CY2017	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	-1041000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	2625000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2017	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-48963000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-167437000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-78270000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	102500000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1169000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	105886000	USD
CY2018	us-gaap	Repayments Of Debt RepaymentsOfDebt	6162000	USD
CY2017	us-gaap	Repayments Of Debt RepaymentsOfDebt	110689000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7550000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6600000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5309000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	344000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	861000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3085000	USD
CY2019	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1249000	USD
CY2018	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1082000	USD
CY2017	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	895000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2999000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-111843000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	88682000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-113187000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1406000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1486000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	900000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	167738000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	227767000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	166849000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	181159000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3420000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2744000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2376000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	7762000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	7040000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	5787000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	17593000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	29161000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	36918000	USD
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	Segment
CY2018Q3	rog	Membership Interests MembershipInterests	1	USD
CY2018Q3	rog	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	78000000.0	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-900000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-700000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	3600000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	3800000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	4400000	USD
CY2019Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	61338000	USD
CY2018Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	59321000	USD
CY2019Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	30043000	USD
CY2018Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	30086000	USD
CY2019Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	41478000	USD
CY2018Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	43230000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	132859000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	132637000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	200000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	1700000	USD
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	Segment
CY2019	rog	Significant Credit Losses Amount SignificantCreditLossesAmount	0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	1600000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	1800000	USD
CY2019Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	3500000	USD
CY2018	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-13664000	USD
CY2018	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	15000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13679000	USD
CY2019	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-12240000	USD
CY2019	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-44169000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	31929000	USD
CY2019Q4	rog	Accumulated Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	2368000	USD
CY2018Q4	rog	Accumulated Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	9984000	USD
CY2019Q4	rog	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesTax	282000	USD
CY2018Q4	rog	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesTax	-106000	USD
CY2017Q4	rog	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesTax	-15000	USD
CY2019Q4	rog	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	537785000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	517991000	USD
CY2019Q4	rog	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	341119000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	317414000	USD
CY2019Q4	rog	Property Plantand Equipment Before Equipmentin Process PropertyPlantandEquipmentBeforeEquipmentinProcess	196666000	USD
CY2018Q4	rog	Property Plantand Equipment Before Equipmentin Process PropertyPlantandEquipmentBeforeEquipmentinProcess	200577000	USD
CY2019Q4	rog	Equipment In Process EquipmentInProcess	63580000	USD
CY2018Q4	rog	Equipment In Process EquipmentInProcess	42182000	USD
CY2019Q4	rog	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	260246000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	242759000	USD
CY2019	us-gaap	Depreciation Depreciation	31400000	USD
CY2018	us-gaap	Depreciation Depreciation	33500000	USD
CY2017	us-gaap	Depreciation Depreciation	29300000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	264885000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-1955000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	262930000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	243589000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	89074000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	154515000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	244647000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	72164000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	172483000	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4432000	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4432000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4525000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4525000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	248021000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	89074000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	158947000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	249172000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	72164000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	177008000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17800000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16500000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14800000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14600000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	13800000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	13300000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	12700000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	11400000	USD
CY2019	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P6Y4M24D
CY2019	us-gaap	Net Income Loss NetIncomeLoss	47319000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	87651000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	80459000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18573000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18374000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18154000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	140000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	285000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	393000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18713000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18659000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18547000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.77
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.43
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.53
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.34
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	20520	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	36642	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1478842	shares
CY2018Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1310521	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1600000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2400000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6000000.0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	300000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	900000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3100000	USD
CY2019Q4	rog	Debt Instrument Leverage Ratio Maximum DebtInstrumentLeverageRatioMaximum	2.75
CY2019	us-gaap	Line Of Credit Facility Commitment Fee Amount LineOfCreditFacilityCommitmentFeeAmount	600000	USD
CY2019Q4	rog	Debt Instrument Leverage Ratio Maximum DebtInstrumentLeverageRatioMaximum	2.75
CY2019Q4	rog	Debt Instrument Leverage Ratio Maximum DebtInstrumentLeverageRatioMaximum	2.75
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	123000000.0	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	7200000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	6100000	USD
CY2017	us-gaap	Interest Expense Debt InterestExpenseDebt	5200000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10950	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	31.99
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	33283	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	36.40
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	116575	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	37.76
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10650	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	32.21
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	22333	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	38.57
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	83292	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	37.04
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	300	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	23.86
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10950	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	31.99
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	33283	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	36.40
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	600000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	600000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	500000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	3119000	USD
CY2018	us-gaap	Operating Lease Expense OperatingLeaseExpense	3850000	USD
CY2017	us-gaap	Operating Lease Expense OperatingLeaseExpense	3819000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	192000	USD
CY2018	us-gaap	Short Term Lease Cost ShortTermLeaseCost	112000	USD
CY2017	us-gaap	Short Term Lease Cost ShortTermLeaseCost	236000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	2967000	USD
CY2018	us-gaap	Operating Lease Payments OperatingLeasePayments	3850000	USD
CY2017	us-gaap	Operating Lease Payments OperatingLeasePayments	3819000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	6280000	USD
CY2018Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	6750000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4656000	USD
CY2018Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	0	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	400000	USD
CY2018Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	420000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	4140000	USD
CY2018Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	4629000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4540000	USD
CY2018Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5049000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2343000	USD
CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2334000	USD
CY2018Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	0	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	4677000	USD
CY2018Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	0	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	532000	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due Next Twelve Months LesseeOperatingLeaseCommencedLiabilityPaymentsDueNextTwelveMonths	2570000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due Next Twelve Months LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueNextTwelveMonths	128000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2442000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	4202000	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due Year Two LesseeOperatingLeaseCommencedLiabilityPaymentsDueYearTwo	1649000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due Year Two LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearTwo	128000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1521000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due Year Three LesseeOperatingLeaseCommencedLiabilityPaymentsDueYearThree	919000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due Year Three LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearThree	101000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	818000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due Year Four LesseeOperatingLeaseCommencedLiabilityPaymentsDueYearFour	332000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due Year Four LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearFour	101000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	231000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due Year Five LesseeOperatingLeaseCommencedLiabilityPaymentsDueYearFive	131000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due Year Five LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearFive	101000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	30000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due After Year Five LesseeOperatingLeaseCommencedLiabilityPaymentsDueAfterYearFive	2000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due After Year Five LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueAfterYearFive	0	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	2000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	4734000	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Payments Due LesseeOperatingLeaseCommencedLiabilityPaymentsDue	5603000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Payments Due LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDue	559000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5044000	USD
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	194000	USD
CY2019Q4	rog	Lessee Operating Lease Commenced Liability Undiscounted Excess Amount LesseeOperatingLeaseCommencedLiabilityUndiscountedExcessAmount	389000	USD
CY2019Q4	rog	Lessee Operating Lease Not Yet Commenced Liability Undiscounted Excess Amount LesseeOperatingLeaseNotYetCommencedLiabilityUndiscountedExcessAmount	22000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	367000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4540000	USD
CY2019Q4	rog	Operating Lease Commenced Liability OperatingLeaseCommencedLiability	5214000	USD
CY2019Q4	rog	Operating Lease Not Yet Commenced Liability OperatingLeaseNotYetCommencedLiability	537000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	4677000	USD
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y6M
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y6M
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0300
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0607
CY2019Q4	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	-53200000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	30000000.0	USD
CY2019Q4	rog	Defined Benefit Plan Pension Planswith Planassetsin Excessof Accumulated Benefit Obligations Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlanswithPlanassetsinExcessofAccumulatedBenefitObligationsAggregateAccumulatedBenefitObligation	30000000.0	USD
CY2019Q4	rog	Defined Benefit Plan Pension Planswith Plan Assetsin Excessof Accumulated Benefit Obligations Aggregate Fair Valueof Plan Assets DefinedBenefitPlanPensionPlanswithPlanAssetsinExcessofAccumulatedBenefitObligationsAggregateFairValueofPlanAssets	42800000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	172400000	USD
CY2018Q4	rog	Defined Benefit Plan Pension Planswith Planassetsin Excessof Accumulated Benefit Obligations Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlanswithPlanassetsinExcessofAccumulatedBenefitObligationsAggregateAccumulatedBenefitObligation	172400000	USD
CY2018Q4	rog	Defined Benefit Plan Pension Planswith Plan Assetsin Excessof Accumulated Benefit Obligations Aggregate Fair Valueof Plan Assets DefinedBenefitPlanPensionPlanswithPlanAssetsinExcessofAccumulatedBenefitObligationsAggregateFairValueofPlanAssets	191700000	USD
CY2019	rog	Defined Benefit Plan Ultimate Health Care Cost Trend Rate Annual Change DefinedBenefitPlanUltimateHealthCareCostTrendRateAnnualChange	-0.0025
CY2019	rog	Defined Benefit Plan Actual Historical Returnon Plan Assets Over19 Years DefinedBenefitPlanActualHistoricalReturnonPlanAssetsOver19Years	0.0632
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	25000000.0	USD
CY2019	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="line-height:120%;padding-top:8px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The following table summarizes the change in number of asbestos claims outstanding during </span><span style="font-family:inherit;font-size:10pt;">2019</span><span style="font-family:inherit;font-size:10pt;"> and </span><span style="font-family:inherit;font-size:10pt;">2018</span><span style="font-family:inherit;font-size:10pt;">:</span></div><div style="line-height:120%;padding-top:8px;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="6"/></tr><tr><td style="width:71%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">2018</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Claims outstanding as of January 1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>745</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>687</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">New claims filed</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>251</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>275</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Pending claims concluded</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>(404</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>(217</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Claims outstanding as of December 31</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>592</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>745</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:8px;text-align:justify;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"> For the year ended </span><span style="font-family:inherit;font-size:9pt;">December 31, 2019</span><span style="font-family:inherit;font-size:9pt;">, </span><span style="font-family:inherit;font-size:9pt;"><span>373</span></span><span style="font-family:inherit;font-size:9pt;"> claims were dismissed and </span><span style="font-family:inherit;font-size:9pt;"><span>31</span></span><span style="font-family:inherit;font-size:9pt;"> claims were settled. For the year ended </span><span style="font-family:inherit;font-size:9pt;">December 31, 2018</span><span style="font-family:inherit;font-size:9pt;">, </span><span style="font-family:inherit;font-size:9pt;"><span>192</span></span><span style="font-family:inherit;font-size:9pt;"> claims were dismissed and </span><span style="font-family:inherit;font-size:9pt;"><span>25</span></span><span style="font-family:inherit;font-size:9pt;"> claims were settled.</span><span style="font-family:inherit;font-size:9pt;font-style:italic;font-weight:bold;"> </span><span style="font-family:inherit;font-size:9pt;">Settlements totaled approximately </span><span style="font-family:inherit;font-size:9pt;"><span>$5.0 million</span></span><span style="font-family:inherit;font-size:9pt;"> for the year ended </span><span style="font-family:inherit;font-size:9pt;">December 31, 2019</span><span style="font-family:inherit;font-size:9pt;">, compared to </span><span style="font-family:inherit;font-size:9pt;"><span>$7.1 million</span></span><span style="font-family:inherit;font-size:9pt;"> for the year ended </span><span style="font-family:inherit;font-size:9pt;">December 31, 2018</span><span style="font-family:inherit;font-size:9pt;">.</span></div>
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CY2018	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	275	claims
CY2019	us-gaap	Loss Contingency Claims Settled And Dismissed Number LossContingencyClaimsSettledAndDismissedNumber	404	claims
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CY2018Q4	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	745	claims
CY2019	us-gaap	Loss Contingency Claims Dismissed Number LossContingencyClaimsDismissedNumber	373	claims
CY2019	us-gaap	Loss Contingency Claims Settled Number LossContingencyClaimsSettledNumber	31	claim
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CY2018	us-gaap	Loss Contingency Claims Settled Number LossContingencyClaimsSettledNumber	25	claim
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CY2019	us-gaap	Legal Fees LegalFees	700000	USD
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CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	73837000	USD
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CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	110589000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	132925000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3372000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-16827000	USD
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CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	21984000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-722000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	21262000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	25356000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-17549000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7807000	USD
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CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	26604000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	21936000	USD
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CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	27418000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4423000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-318000	USD
CY2018	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	26286000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	26263000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3325000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22938000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7535000	USD
CY2017	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	22995000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	34953000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17513000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52466000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	5730000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	4269000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	17761000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	18604000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	5996000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4935000	USD
CY2019Q4	rog	Deferred Tax Assets Operating Leases DeferredTaxAssetsOperatingLeases	904000	USD
CY2018Q4	rog	Deferred Tax Assets Operating Leases DeferredTaxAssetsOperatingLeases	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2210000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1953000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	32601000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	29761000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	14625000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16889000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	17976000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	12872000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4025000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8335000	USD
CY2019Q4	rog	Deferred Tax Liability Postretirement Benefit DeferredTaxLiabilityPostretirementBenefit	1719000	USD
CY2018Q4	rog	Deferred Tax Liability Postretirement Benefit DeferredTaxLiabilityPostretirementBenefit	3234000	USD
CY2019Q4	rog	Deferred Tax Liabilities Unremitted Earnings DeferredTaxLiabilitiesUnremittedEarnings	1624000	USD
CY2018Q4	rog	Deferred Tax Liabilities Unremitted Earnings DeferredTaxLiabilitiesUnremittedEarnings	1778000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	908000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1803000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2094000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	10079000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	15441000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	5900000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	14600000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16900000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	11576000	USD
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CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	107000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	826000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-9603000	USD
CY2019	us-gaap	Income Tax Reconciliation Deductions Extraterritorial Income Exclusion IncomeTaxReconciliationDeductionsExtraterritorialIncomeExclusion	2248000	USD
CY2018	us-gaap	Income Tax Reconciliation Deductions Extraterritorial Income Exclusion IncomeTaxReconciliationDeductionsExtraterritorialIncomeExclusion	197000	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Extraterritorial Income Exclusion IncomeTaxReconciliationDeductionsExtraterritorialIncomeExclusion	-1087000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-690000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	121000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	279000	USD
CY2019	rog	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefit EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefit	543000	USD
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CY2019	rog	Effective Income Tax Rate Reconciliation Transition Taxon Unremitted Earnings EffectiveIncomeTaxRateReconciliationTransitionTaxonUnremittedEarnings	0	USD
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CY2017	rog	Effective Income Tax Rate Reconciliation Transition Taxon Unremitted Earnings EffectiveIncomeTaxRateReconciliationTransitionTaxonUnremittedEarnings	13683000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-2902000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-2238000	USD
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CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	656000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2172000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1080000	USD
CY2019	rog	Effective Income Tax Rate Reconciliation Taxeson Unremitted Earnings Amount EffectiveIncomeTaxRateReconciliationTaxesonUnremittedEarningsAmount	1240000	USD
CY2018	rog	Effective Income Tax Rate Reconciliation Taxeson Unremitted Earnings Amount EffectiveIncomeTaxRateReconciliationTaxesonUnremittedEarningsAmount	1916000	USD
CY2017	rog	Effective Income Tax Rate Reconciliation Taxeson Unremitted Earnings Amount EffectiveIncomeTaxRateReconciliationTaxesonUnremittedEarningsAmount	2173000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2527000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	602000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1393000	USD
CY2019	rog	Effective Income Tax Rate Reconciliation Disproportionate Tax Effect Of Pension Settlement EffectiveIncomeTaxRateReconciliationDisproportionateTaxEffectOfPensionSettlement	2510000	USD
CY2018	rog	Effective Income Tax Rate Reconciliation Disproportionate Tax Effect Of Pension Settlement EffectiveIncomeTaxRateReconciliationDisproportionateTaxEffectOfPensionSettlement	0	USD
CY2017	rog	Effective Income Tax Rate Reconciliation Disproportionate Tax Effect Of Pension Settlement EffectiveIncomeTaxRateReconciliationDisproportionateTaxEffectOfPensionSettlement	0	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	854000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1516000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1002000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7807000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22938000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52466000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.142
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.207
CY2019Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	3500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9801000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14565000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3139000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2583000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	505000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	rog	Unrecognized Tax Benefits Increase Decrease Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromForeignCurrencyTranslation	0	USD
CY2018	rog	Unrecognized Tax Benefits Increase Decrease Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromForeignCurrencyTranslation	-142000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2723000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	7710000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10217000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9801000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	9900000	USD
CY2019Q4	rog	Unrecognized Tax Benefitsthat Would Resultin Adjustments To Other Tax Accounts UnrecognizedTaxBenefitsthatWouldResultinAdjustmentsToOtherTaxAccounts	300000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	700000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	200000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	100000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-900000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	898260000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	110481000	USD
CY2019Q4	us-gaap	Assets Assets	1273181000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5501000	USD
CY2017	us-gaap	Revenues Revenues	821043000	USD
CY2019	rog	Payments To Acquire Property Plant And Equipment Excluding Acquisition PaymentsToAcquirePropertyPlantAndEquipmentExcludingAcquisition	51597000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	49162000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	16461000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	16461000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5319000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5319000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	879091000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	112711000	USD
CY2018Q4	us-gaap	Assets Assets	1279344000	USD
CY2018	rog	Payments To Acquire Property Plant And Equipment Excluding Acquisition PaymentsToAcquirePropertyPlantAndEquipmentExcludingAcquisition	90549000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	50073000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	18667000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	129139000	USD
CY2017Q4	us-gaap	Assets Assets	1125134000	USD
CY2017	rog	Payments To Acquire Property Plant And Equipment Excluding Acquisition PaymentsToAcquirePropertyPlantAndEquipmentExcludingAcquisition	27215000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	44099000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	18324000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4898000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	898260000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	879091000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	821043000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	22455000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	22728000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	682123000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	684652000	USD
CY2019	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	0	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	948000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	2532000	USD
CY2017	us-gaap	Restructuring Charges RestructuringCharges	2760000	USD
CY2019	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	1537000	USD
CY2018	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	1506000	USD
CY2017	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	USD
CY2018	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	0	USD
CY2017	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	807000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1537000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1506000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	807000	USD
CY2019	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	2485000	USD
CY2018	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	4038000	USD
CY2017	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	3567000	USD
CY2019	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	1500000	USD
CY2019	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	2485000	USD
CY2018	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	4038000	USD
CY2017	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	3567000	USD
CY2019	us-gaap	Lease Income LeaseIncome	989000	USD
CY2018	us-gaap	Lease Income LeaseIncome	948000	USD
CY2017	us-gaap	Lease Income LeaseIncome	0	USD
CY2019	rog	Depreciation On Leased Assets DepreciationOnLeasedAssets	1907000	USD
CY2018	rog	Depreciation On Leased Assets DepreciationOnLeasedAssets	3512000	USD
CY2017	rog	Depreciation On Leased Assets DepreciationOnLeasedAssets	0	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-756000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	164000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	5329000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	4231000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2019	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	-715000	USD
CY2018	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	-700000	USD
CY2017	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	0	USD
CY2019	rog	Economic Incentive Grant Expense EconomicIncentiveGrantExpense	0	USD
CY2018	rog	Economic Incentive Grant Expense EconomicIncentiveGrantExpense	-556000	USD
CY2017	rog	Economic Incentive Grant Expense EconomicIncentiveGrantExpense	0	USD
CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-959000	USD
CY2018	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	3087000	USD
CY2017	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	5329000	USD
CY2019	us-gaap	Lease Income LeaseIncome	1000000.0	USD
CY2019	rog	Depreciation On Leased Assets DepreciationOnLeasedAssets	1900000	USD
CY2018	us-gaap	Lease Income LeaseIncome	900000	USD
CY2018	rog	Depreciation On Leased Assets DepreciationOnLeasedAssets	3500000	USD
CY2019	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	-700000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	4200000	USD
CY2018	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	-700000	USD
CY2018	rog	Economic Incentive Grant Expense EconomicIncentiveGrantExpense	-600000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	5300000	USD
CY2019	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	7378000	USD
CY2018	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	6304000	USD
CY2017	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	5115000	USD
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	200000	USD
CY2018	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	247000	USD
CY2017	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-51000	USD
CY2019	us-gaap	Line Of Credit Facility Commitment Fee Amount LineOfCreditFacilityCommitmentFeeAmount	576000	USD
CY2018	us-gaap	Line Of Credit Facility Commitment Fee Amount LineOfCreditFacilityCommitmentFeeAmount	573000	USD
CY2017	us-gaap	Line Of Credit Facility Commitment Fee Amount LineOfCreditFacilityCommitmentFeeAmount	555000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	552000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	552000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	549000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	127000	USD
CY2018	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	172000	USD
CY2017	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	169000	USD
CY2019	us-gaap	Interest Income Other InterestIncomeOther	1610000	USD
CY2018	us-gaap	Interest Income Other InterestIncomeOther	804000	USD
CY2017	us-gaap	Interest Income Other InterestIncomeOther	379000	USD
CY2019	us-gaap	Interest Expense Other InterestExpenseOther	46000	USD
CY2018	us-gaap	Interest Expense Other InterestExpenseOther	79000	USD
CY2017	us-gaap	Interest Expense Other InterestExpenseOther	71000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6869000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6629000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6131000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	239798000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	242852000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	221842000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	193768000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	226863000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	214675000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	85394000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	85828000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	78867000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	64203000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	28399000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	24293000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	23387000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-28760000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.53
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.31
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.26
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.55
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.52
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.30
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.25
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-1.55
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	214611000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	222942000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	76606000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	76672000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	79130000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	78375000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	26136000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	17329000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	19734000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	24452000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.43
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.94
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.07
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.33
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.40
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.93
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.06
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.31
CY2015Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000.0	USD
CY2019Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	49000000.0	USD
CY2015Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000.0	USD
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	23138	shares
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	0	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2999000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	0	USD
CY2018Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1354000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	437000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	100000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	0	USD
CY2019Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1691000	USD
CY2017Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1525000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	189000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	360000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	0	USD
CY2018Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1354000	USD
CY2016Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1952000	USD
CY2017	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	-275000	USD
CY2017	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	152000	USD
CY2017	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	0	USD
CY2017Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1525000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16889000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	656000	USD
CY2019	rog	Valuation Allowance Deferred Tax Asset Taken Against Allowance ValuationAllowanceDeferredTaxAssetTakenAgainstAllowance	2920000	USD
CY2019	rog	Valuation Allowance Deferred Tax Asset Other Deductions Recoveries ValuationAllowanceDeferredTaxAssetOtherDeductionsRecoveries	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	14625000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8754000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	8135000	USD
CY2018	rog	Valuation Allowance Deferred Tax Asset Taken Against Allowance ValuationAllowanceDeferredTaxAssetTakenAgainstAllowance	0	USD
CY2018	rog	Valuation Allowance Deferred Tax Asset Other Deductions Recoveries ValuationAllowanceDeferredTaxAssetOtherDeductionsRecoveries	0	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16889000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	6388000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	2366000	USD
CY2017	rog	Valuation Allowance Deferred Tax Asset Taken Against Allowance ValuationAllowanceDeferredTaxAssetTakenAgainstAllowance	0	USD
CY2017	rog	Valuation Allowance Deferred Tax Asset Other Deductions Recoveries ValuationAllowanceDeferredTaxAssetOtherDeductionsRecoveries	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8754000	USD

Files In Submission

Name	View Source	Status
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$ROG
ROGERS CORP Stock $rog

2018 Q4 Form 10-K Financial Statement

#000008474820000009 Filed on February 21, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ROG ROGERS CORP Stock $rog

2018 Q4 Form 10-K Financial Statement

#000008474820000009 Filed on February 21, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ROG
ROGERS CORP Stock $rog