$IPGP
IPG PHOTONICS CORP Stock $ipgp

$ipgp Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000111192818000034 Filed on February 28, 2018

Income Statement

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$361.1M	$392.6M	$369.4M
YoY Change	28.89%	47.59%	46.12%
Cost Of Revenue	$152.3M	$168.1M	$163.1M
YoY Change	22.04%	38.63%	41.7%
Gross Profit	$208.8M	$224.6M	$206.3M
YoY Change	34.41%	55.09%	49.81%
Gross Profit Margin	57.83%	57.19%	55.85%
Selling, General & Admin	$35.00M	$34.88M	$32.01M
YoY Change	17.45%	27.95%	23.88%
% of Gross Profit	16.76%	15.53%	15.52%
Research & Development	$26.60M	$25.54M	$25.96M
YoY Change	20.36%	24.33%	41.0%
% of Gross Profit	12.74%	11.37%	12.58%
Depreciation & Amortization	$18.20M	$16.70M	$15.20M
YoY Change	30.94%	20.14%	23.58%
% of Gross Profit	8.72%	7.44%	7.37%
Operating Expenses	$61.60M	$64.33M	$65.15M
YoY Change	18.69%	26.88%	52.6%
Operating Profit	$147.2M	$160.2M	$141.1M
YoY Change	42.3%	70.29%	48.56%
Interest Expense	$1.200M	-$125.0K	$468.0K
YoY Change	-47.83%	-133.51%	73.33%
% of Operating Profit	0.82%	-0.08%	0.33%
Other Income/Expense, Net	$100.0K	$334.0K	$491.0K
YoY Change	-83.33%	-41.09%	19.46%
Pretax Income	$148.4M	$160.6M	$141.6M
YoY Change	39.6%	69.63%	48.43%
Income Tax	$46.10M	$44.96M	$37.53M
% Of Pretax Income	31.06%	28.0%	26.5%
Net Earnings	$52.96M	$115.6M	$104.1M
YoY Change	-29.52%	66.96%	55.26%
Net Earnings / Revenue	14.67%	29.44%	28.19%
Basic Earnings Per Share	$0.99	$2.16	$1.95
Diluted Earnings Per Share	$0.96	$2.11	$1.91
COMMON SHARES
Basic Shares Outstanding	53.62M shares	53.44M shares	53.38M shares
Diluted Shares Outstanding		54.70M shares	54.47M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.116B	$1.046B	$930.4M
YoY Change	34.38%	35.39%	30.29%
Cash & Equivalents	$909.9M	$880.3M	$808.1M
Short-Term Investments	$206.3M	$165.7M	$122.3M
Other Short-Term Assets	$92.90M	$87.40M	$82.40M
YoY Change	23.21%	-11.63%	-8.85%
Inventory	$307.7M	$282.5M	$260.7M
Prepaid Expenses
Receivables	$237.3M	$226.8M	$237.3M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.754B	$1.643B	$1.511B
YoY Change	34.82%	28.68%	26.19%
LONG-TERM ASSETS
Property, Plant & Equipment	$460.2M	$441.5M	$389.9M
YoY Change	21.31%	20.14%	11.25%
Goodwill	$55.83M	$51.14M	$28.73M
YoY Change	181.58%	153.91%	40.4%
Intangibles	$51.22M	$49.67M	$32.29M
YoY Change	77.93%	75.06%	9.86%
Long-Term Investments
YoY Change
Other Assets	$19.01M	$20.67M	$21.05M
YoY Change	2.18%	6.34%	14.82%
Total Long-Term Assets	$613.2M	$603.5M	$519.8M
YoY Change	25.4%	33.88%	20.3%
TOTAL ASSETS
Total Short-Term Assets	$1.754B	$1.643B	$1.511B
Total Long-Term Assets	$613.2M	$603.5M	$519.8M
Total Assets	$2.367B	$2.246B	$2.031B
YoY Change	32.25%	30.03%	24.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$35.11M	$34.27M	$29.00M
YoY Change	25.17%	91.47%	42.04%
Accrued Expenses	$144.4M	$134.3M	$116.5M
YoY Change	40.92%	39.33%	44.66%
Deferred Revenue	$46.51M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$3.604M	$3.576M	$1.188M
YoY Change	13.05%	12.17%	-62.74%
Total Short-Term Liabilities	$198.9M	$182.2M	$156.8M
YoY Change	25.67%	17.07%	16.16%
LONG-TERM LIABILITIES
Long-Term Debt	$45.38M	$46.30M	$21.38M
YoY Change	20.57%	20.46%	-45.51%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$45.38M	$46.30M	$21.38M
YoY Change	-38.68%	-32.57%	-69.97%
TOTAL LIABILITIES
Total Short-Term Liabilities	$198.9M	$182.2M	$156.8M
Total Long-Term Liabilities	$45.38M	$46.30M	$21.38M
Total Liabilities	$344.9M	$287.0M	$226.2M
YoY Change	48.5%	27.95%	9.72%
SHAREHOLDERS EQUITY
Retained Earnings	$1.444B	$1.391B	$1.275B
YoY Change	31.97%	36.5%	34.28%
Common Stock	$704.7M	$693.3M	$681.3M
YoY Change	8.26%	9.05%	8.19%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$48.93M	$35.86M	$33.06M
YoY Change	446.98%	929.49%
Treasury Stock Shares	378.3K shares	318.6K shares	301.3K shares
Shareholders Equity	$2.022B	$1.959B	$1.804B
YoY Change
Total Liabilities & Shareholders Equity	$2.367B	$2.246B	$2.031B
YoY Change	32.25%	30.03%	24.63%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	$52.96M	$115.6M	$104.1M
YoY Change	-29.52%	66.96%	55.26%
Depreciation, Depletion And Amortization	$18.20M	$16.70M	$15.20M
YoY Change	30.94%	20.14%	23.58%
Cash From Operating Activities	$108.5M	$163.8M	$82.30M
YoY Change	6.48%	87.2%	89.63%
INVESTING ACTIVITIES
Capital Expenditures	-$27.30M	-$55.60M	-$21.70M
YoY Change	1.11%	91.07%	-52.72%
Acquisitions
YoY Change
Other Investing Activities	-$50.20M	-$82.40M	$46.10M
YoY Change	-37.64%	82300.0%	-197.88%
Cash From Investing Activities	-$77.50M	-$138.0M	$24.30M
YoY Change	-27.91%	370.99%	-126.16%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-8.600M	30.60M	-21.70M
YoY Change	-1328.57%	-927.03%	-176.68%
NET CHANGE
Cash From Operating Activities	108.5M	163.8M	82.30M
Cash From Investing Activities	-77.50M	-138.0M	24.30M
Cash From Financing Activities	-8.600M	30.60M	-21.70M
Net Change In Cash	22.40M	56.40M	84.90M
YoY Change	-557.14%	3.49%	-500.47%
FREE CASH FLOW
Cash From Operating Activities	$108.5M	$163.8M	$82.30M
Capital Expenditures	-$27.30M	-$55.60M	-$21.70M
Free Cash Flow	$135.8M	$219.4M	$104.0M
YoY Change	5.35%	88.16%	16.46%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	ipgp	Allowance For Doubtful Accounts Receivable Foreign Currency Translation AllowanceForDoubtfulAccountsReceivableForeignCurrencyTranslation	-170000	USD
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001111928
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	54056120	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	4100000000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	IPG PHOTONICS CORP
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2016Q4	ipgp	Accumulated Net Investment Gain Loss Including Portion Attributableto Noncontrolling Interest Tax AccumulatedNetInvestmentGainLossIncludingPortionAttributabletoNoncontrollingInterestTax	134000	USD
CY2016Q4	ipgp	Accumulated Other Comprehensive Income Loss Cumulative Changesin Net Gain Lossfrom Cash Flow Hedges Effect Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesinNetGainLossfromCashFlowHedgesEffectTax	28000	USD
CY2017Q4	ipgp	Accumulated Other Comprehensive Income Loss Cumulative Changesin Net Gain Lossfrom Cash Flow Hedges Effect Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesinNetGainLossfromCashFlowHedgesEffectTax	14000	USD
CY2015	ipgp	Allowance For Doubtful Accounts Receivable Foreign Currency Translation AllowanceForDoubtfulAccountsReceivableForeignCurrencyTranslation	392000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	237278000	USD
CY2016Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	24554000	USD
CY2017	ipgp	Allowance For Doubtful Accounts Receivable Foreign Currency Translation AllowanceForDoubtfulAccountsReceivableForeignCurrencyTranslation	-169000	USD
CY2016	ipgp	Bank Acceptances Weighted Average Maturity Period BankAcceptancesWeightedAverageMaturityPeriod	P90D
CY2017	ipgp	Bank Acceptances Weighted Average Maturity Period BankAcceptancesWeightedAverageMaturityPeriod	P90D
CY2015	ipgp	Basic Net Income Per Share Attributable To Parent BasicNetIncomePerShareAttributableToParent	4.60
CY2016	ipgp	Basic Net Income Per Share Attributable To Parent BasicNetIncomePerShareAttributableToParent	4.91
CY2017	ipgp	Basic Net Income Per Share Attributable To Parent BasicNetIncomePerShareAttributableToParent	6.50
CY2015	ipgp	Change In Capital Expenditures Incurred But Notyet Paid ChangeInCapitalExpendituresIncurredButNotyetPaid	350000	USD
CY2016	ipgp	Change In Capital Expenditures Incurred But Notyet Paid ChangeInCapitalExpendituresIncurredButNotyetPaid	973000	USD
CY2017	ipgp	Change In Capital Expenditures Incurred But Notyet Paid ChangeInCapitalExpendituresIncurredButNotyetPaid	1594000	USD
CY2015	ipgp	Concentration Risk Numberof Customers ConcentrationRiskNumberofCustomers	1
CY2017	ipgp	Concentration Risk Numberof Customers ConcentrationRiskNumberofCustomers	1
CY2016Q4	ipgp	Debt Instrument Numberof Longterm Notes DebtInstrumentNumberofLongtermNotes	2	note
CY2017Q4	ipgp	Debt Instrument Numberof Longterm Notes DebtInstrumentNumberofLongtermNotes	2	note
CY2017Q4	ipgp	Deferred Tax Liabilities Withholdingand Dividend Tax Foreign DeferredTaxLiabilitiesWithholdingandDividendTaxForeign	2225000	USD
CY2015	ipgp	Demonstration Units Transferred From Inventory To Other Assets DemonstrationUnitsTransferredFromInventoryToOtherAssets	3181000	USD
CY2016	ipgp	Demonstration Units Transferred From Inventory To Other Assets DemonstrationUnitsTransferredFromInventoryToOtherAssets	6293000	USD
CY2017	ipgp	Demonstration Units Transferred From Inventory To Other Assets DemonstrationUnitsTransferredFromInventoryToOtherAssets	4114000	USD
CY2015	ipgp	Diluted Net Income Per Share Attributable To Parent DilutedNetIncomePerShareAttributableToParent	4.53
CY2016	ipgp	Diluted Net Income Per Share Attributable To Parent DilutedNetIncomePerShareAttributableToParent	4.85
CY2017	ipgp	Diluted Net Income Per Share Attributable To Parent DilutedNetIncomePerShareAttributableToParent	6.36
CY2017	ipgp	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	14015000	USD
CY2015	ipgp	Income Tax Reconciliation Change In Reserves Including Interest And Penalties IncomeTaxReconciliationChangeInReservesIncludingInterestAndPenalties	-1522000	USD
CY2016	ipgp	Income Tax Reconciliation Change In Reserves Including Interest And Penalties IncomeTaxReconciliationChangeInReservesIncludingInterestAndPenalties	1105000	USD
CY2017	ipgp	Income Tax Reconciliation Change In Reserves Including Interest And Penalties IncomeTaxReconciliationChangeInReservesIncludingInterestAndPenalties	-4350000	USD
CY2015	ipgp	Net Sales By Major Customers Percentage NetSalesByMajorCustomersPercentage	0.25
CY2016	ipgp	Net Sales By Major Customers Percentage NetSalesByMajorCustomersPercentage	0.22
CY2017	ipgp	Net Sales By Major Customers Percentage NetSalesByMajorCustomersPercentage	0.28
CY2015	ipgp	Number Of Largest Customers Sales NumberOfLargestCustomersSales	5
CY2016	ipgp	Number Of Largest Customers Sales NumberOfLargestCustomersSales	5
CY2017	ipgp	Number Of Largest Customers Sales NumberOfLargestCustomersSales	5
CY2015	ipgp	Property Plantand Equipment Transferredfrom Inventory PropertyPlantandEquipmentTransferredfromInventory	2951000	USD
CY2016	ipgp	Property Plantand Equipment Transferredfrom Inventory PropertyPlantandEquipmentTransferredfromInventory	4529000	USD
CY2017	ipgp	Property Plantand Equipment Transferredfrom Inventory PropertyPlantandEquipmentTransferredfromInventory	8425000	USD
CY2015	ipgp	Provisions For Inventory Product Warranty And Bad Debt ProvisionsForInventoryProductWarrantyAndBadDebt	39985000	USD
CY2016	ipgp	Provisions For Inventory Product Warranty And Bad Debt ProvisionsForInventoryProductWarrantyAndBadDebt	46469000	USD
CY2017	ipgp	Provisions For Inventory Product Warranty And Bad Debt ProvisionsForInventoryProductWarrantyAndBadDebt	44978000	USD
CY2015	ipgp	Purchase Of Non Controlling Interest In Exchange For Common Stock PurchaseOfNonControllingInterestInExchangeForCommonStock	0	USD
CY2016	ipgp	Purchase Of Non Controlling Interest In Exchange For Common Stock PurchaseOfNonControllingInterestInExchangeForCommonStock	950000	USD
CY2017	ipgp	Purchase Of Non Controlling Interest In Exchange For Common Stock PurchaseOfNonControllingInterestInExchangeForCommonStock	197000	USD
CY2017	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate	0
CY2015	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateMaximum	0.0588
CY2016	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateMaximum	0.0526
CY2015	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateMinimum	0.0347
CY2016	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateMinimum	0.0265
CY2017	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Employment Termination Period SharebasedCompensationArrangementbySharebasedPaymentAwardEmploymentTerminationPeriod	P2Y
CY2017Q4	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Aggregate Intrinsic Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedAggregateIntrinsicValue	114648000	USD
CY2017Q4	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Weighted Average Exercise Price SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedWeightedAverageExercisePrice	94.96
CY2017	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Weighted Average Remaining Contractual Term SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm	P7Y9M
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit	49407000	USD
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Amount Subjected To Tax TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsAmountSubjectedToTax	1266000000	USD
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	47000000	USD
CY2017Q4	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability Noncurrent TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityNoncurrent	44366000	USD
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Reporting Basis In Excess Of Tax Basis TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsReportingBasisInExcessOfTaxBasis	0	USD
CY2016Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	28048000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	35109000	USD
CY2016Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	155901000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	15773000	USD
CY2016Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	102485000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	144417000	USD
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	227239000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	283719000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-178583000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-77344000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	650974000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	704727000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18989000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21734000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23021000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	12848000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	14763000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	15654000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1890000	USD
CY2015Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1811000	USD
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2016000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2198000	USD
CY2015	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	114000	USD
CY2016	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	76000	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	38000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2274000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3759000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5899000	USD
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	29127	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	60797	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	16104	shares
CY2016Q4	us-gaap	Assets Assets	1789999000	USD
CY2017Q4	us-gaap	Assets Assets	2367255000	USD
CY2016Q4	us-gaap	Assets Current AssetsCurrent	1300962000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	1754010000	USD
CY2016Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	387536000	USD
CY2017Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	633110000	USD
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1450000	USD
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1012000	USD
CY2016	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	432000	USD
CY2016Q4	us-gaap	Bank Acceptances Executed BankAcceptancesExecuted	23975000	USD
CY2017Q4	us-gaap	Bank Acceptances Executed BankAcceptancesExecuted	46123000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	522150000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	582532000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	623855000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	909900000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	60382000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	41323000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	286045000	USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	175000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	175000000	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	53354579	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	54007708	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53251805	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53629439	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	5000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	5000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	173250000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	263651000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	448796000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-442000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-21000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	31000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	172808000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	263630000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	448827000	USD
CY2015	us-gaap	Cost Of Revenue CostOfRevenue	409388000	USD
CY2016	us-gaap	Cost Of Revenue CostOfRevenue	453933000	USD
CY2017	us-gaap	Cost Of Revenue CostOfRevenue	611978000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30334000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	41407000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	85761000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	69793000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	72600000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	93254000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	106743000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	118757000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	181402000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6616000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4750000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2387000	USD
CY2016Q4	us-gaap	Customer Advances And Deposits Current CustomerAdvancesAndDepositsCurrent	34571000	USD
CY2017Q4	us-gaap	Customer Advances And Deposits Current CustomerAdvancesAndDepositsCurrent	47324000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-6303000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8709000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	12459000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-538000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3816000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	9773000	USD
CY2016Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	42442000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	26976000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7153000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12908000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	22881000	USD
CY2016Q4	us-gaap	Deferred Income Taxes And Other Liabilities Noncurrent DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent	36365000	USD
CY2017Q4	us-gaap	Deferred Income Taxes And Other Liabilities Noncurrent DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent	100652000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-312000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-383000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	649000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	14566000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	19710000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	13437000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	19024000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	32487000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	5614000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	923000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	7885000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3993000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	3763000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	5027000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	10294000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	5891000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	9215000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	-5223000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2590000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	5434000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3588000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	678000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	662000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	284000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8031000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	14122000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20191000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2021000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2509000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3363000	USD
CY2017	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06
CY2017	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.5
CY2015	us-gaap	Depreciation Depreciation	37796000	USD
CY2016	us-gaap	Depreciation Depreciation	44757000	USD
CY2017	us-gaap	Depreciation Depreciation	54900000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	42415000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	51475000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	64568000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.60
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.26
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.91
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.40
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.50
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.53
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.29
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.39
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.85
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.91
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.36
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-19992000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-9408000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	54827000	USD
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	43761000	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	63203000	USD
CY2017Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	16069000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y6M
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	6141000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	6971000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	7367000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	16580000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	22965000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	17682000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	7366000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5657000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	6513000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6687000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	7318000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	45369000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	74188000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	28789000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	51223000	USD
CY2015	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2560000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-4496000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-14460000	USD
CY2015	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	5491000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-2298000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-7949000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	19828000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	505000	USD
CY2015	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	57192000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	66486000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	80668000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	55831000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	19325000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	36005000	USD
CY2016	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2000	USD
CY2017	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2000	USD
CY2015	us-gaap	Gross Profit GrossProfit	491877000	USD
CY2016Q1	us-gaap	Gross Profit GrossProfit	114410000	USD
CY2016Q2	us-gaap	Gross Profit GrossProfit	137703000	USD
CY2016Q3	us-gaap	Gross Profit GrossProfit	144791000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	155336000	USD
CY2016	us-gaap	Gross Profit GrossProfit	552240000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	157267000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	206296000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	224555000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	208793000	USD
CY2017	us-gaap	Gross Profit GrossProfit	796911000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	94242000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	103798000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	190480000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	247375000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	262767000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	361391000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	341617000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	366565000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	551871000	USD
CY2016Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	944000	USD
CY2017Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	789000	USD
CY2015	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	437000	USD
CY2016	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-163000	USD
CY2017	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-155000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	99590000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	105849000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	204283000	USD
CY2015	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	620000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-26000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-51000	USD
CY2015	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	153000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	111000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1281000	USD
CY2015	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-15931000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-16718000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-25795000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	119566000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	128298000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	193155000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1039000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	2307000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	2350000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	338000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	296000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	319000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-974000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-114000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	360000	USD
CY2017	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	48126000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2094000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2640000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3413000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	8837000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9840000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9210000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	91329000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	126964000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	155559000	USD
CY2016Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	34128000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	44944000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9806000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-407000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2309000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	19036000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11444000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	63225000	USD
CY2015	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	9529000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-10746000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	16719000	USD
CY2015	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	613000	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5480000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	9612000	USD
CY2015	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	7153000	USD
CY2016	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	12908000	USD
CY2017	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-22881000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	70565000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	53626000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	71080000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1853000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4069000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	911000	USD
CY2016	us-gaap	Interest Paid InterestPaid	942000	USD
CY2017	us-gaap	Interest Paid InterestPaid	2583000	USD
CY2016Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	101003000	USD
CY2017Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	118805000	USD
CY2016Q4	us-gaap	Inventory Net InventoryNet	239010000	USD
CY2016Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	93284000	USD
CY2017Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	145261000	USD
CY2016Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	44723000	USD
CY2017	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	737000	USD
CY2015	us-gaap	Interest Paid InterestPaid	873000	USD
CY2015	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-301000	USD
CY2016	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	1304000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	344933000	USD
CY2016Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	28789000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	51223000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	7091000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	307712000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	8095000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	232275000	USD
CY2017Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	43646000	USD
CY2015	us-gaap	Inventory Write Down InventoryWriteDown	15364000	USD
CY2016	us-gaap	Inventory Write Down InventoryWriteDown	22796000	USD
CY2017	us-gaap	Inventory Write Down InventoryWriteDown	16946000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	7365000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1789999000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2367255000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	158275000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	198903000	USD
CY2016Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	41351000	USD
CY2017Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	49884000	USD
CY2016Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	3188000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	3604000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	37635000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	45378000	USD
CY2016	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-163000	USD
CY2017	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-96000	USD
CY2016Q4	us-gaap	Minority Interest MinorityInterest	166000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	0	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1541000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	27443000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3372000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-181567000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-274408000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-170805000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	263482000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	297696000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	405395000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	242154000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	49326000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	67058000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	69235000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	75133000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	260752000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	74945000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	104116000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	115597000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	52956000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	347614000	USD
CY2015	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-127000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-36000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-26000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	242154000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	260752000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	347614000	USD
CY2015Q4	us-gaap	Noncurrent Assets NoncurrentAssets	298091000	USD
CY2016Q4	us-gaap	Noncurrent Assets NoncurrentAssets	391086000	USD
CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	473854000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-426000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2252000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	759000	USD
CY2017	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2015	us-gaap	Operating Expenses OperatingExpenses	149834000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	187927000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	245799000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	342043000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	364313000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	551112000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	17315000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4734000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	699000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1252000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2095000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	3182000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	5353000	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	8442000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	8831000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	18603000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	19009000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-298000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-240000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-69314000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3163000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	100999000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-69219000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2914000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	101239000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	95000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	49000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-58000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	538000	USD
CY2015	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-510000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2724000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	22000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-93000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	127042000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	126535000	USD
CY2015	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	106747000	USD
CY2016	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	299508000	USD
CY2017	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	211832000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-468000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	352000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8946000	USD
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	41289000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	47919000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	23750000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	28000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	39987000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	4958000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	47792000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	60483000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	70119000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-986000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-125000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	948000	USD
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	14132000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16183000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	28654000	USD
CY2015	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	12887000	USD
CY2016	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	7992000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	6761000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	164000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	658000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	15882000	USD
CY2015	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	USD
CY2016	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	198808000	USD
CY2017	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	212515000	USD
CY2014Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	19272000	USD
CY2015Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	28210000	USD
CY2016Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	33978000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	47517000	USD
CY2016Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	15711000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	25059000	USD
CY2016Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	18267000	USD
CY2016	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	22483000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	22458000	USD
CY2015	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	-12208000	USD
CY2016	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	-16220000	USD
CY2017	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	-16250000	USD
CY2015	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	22808000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	460206000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	427000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum	0.45
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum	0.35
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum	0.45
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	78552000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	100870000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	743925000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	379375000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum	0.37
CY2017	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	26995000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	242027000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	260716000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	347588000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	606614000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	111000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	51000	USD
CY2016Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	33072000	USD
CY2017Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	119960000	USD
CY2015	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	15227000	USD
CY2016	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	7992000	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	6761000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	13333000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2594000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	19842000	USD
CY2015	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	63334000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1094108000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1443867000	USD
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	901265000	USD
CY2016Q1	us-gaap	Sales Revenue Net SalesRevenueNet	207248000	USD
CY2016Q2	us-gaap	Sales Revenue Net SalesRevenueNet	252787000	USD
CY2016Q3	us-gaap	Sales Revenue Net SalesRevenueNet	266017000	USD
CY2016Q4	us-gaap	Sales Revenue Net SalesRevenueNet	280121000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	1006173000	USD
CY2017Q1	us-gaap	Sales Revenue Net SalesRevenueNet	285846000	USD
CY2017Q2	us-gaap	Sales Revenue Net SalesRevenueNet	369373000	USD
CY2017Q3	us-gaap	Sales Revenue Net SalesRevenueNet	392615000	USD
CY2017Q4	us-gaap	Sales Revenue Net SalesRevenueNet	361055000	USD
CY2017	us-gaap	Sales Revenue Net SalesRevenueNet	1408889000	USD
CY2015	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	31868000	USD
CY2016	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	38393000	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	49801000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	18989000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	21734000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	23021000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0025
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0025
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0025
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum	0.48
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.0106
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.0157
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	835437	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	73.95
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	9182000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum	0.31
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.0174
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	49.76
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	27207000	USD
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	8946000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	48933000	USD
CY2016Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	936000000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.0141
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.0197
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.0138
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	23315000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	50131000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	13113	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	293284	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	42.78
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	33.08
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	38.01
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	251970000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2064253	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1797493	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	60.65
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	50.50
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	90.81
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	124.57
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	137323000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y0M11D
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	962056	shares
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y0M7D
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	206779000	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	206257000	USD
CY2015	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	1662000	USD
CY2016	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	495000	USD
CY2017	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-2794000	USD
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	546931	shares
CY2016Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000	USD
CY2016	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	102774	shares
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	275495	shares
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	1557558000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	2022322000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1260665000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1557724000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2022322000	USD
CY2016	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	87.01
CY2017	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	145.15
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	102774	shares
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	378269	shares
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6494000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	700000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	6207000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1052000	USD
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53797000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54699000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52676000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53068000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53495000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	20935	shares
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7579000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6403000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10370000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1876000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2240000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	33000	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	751000	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	729000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1204000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53427000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	160439	shares
CY2017	us-gaap	Derivatives Reporting Of Derivative Activity DerivativesReportingOfDerivativeActivity	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:8pt;"> </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Derivative Instruments</font><font style="font-family:inherit;font-size:10pt;"> — The Company's primary market exposures are to interest rates and foreign exchange rates. The Company from time to time may use certain derivative financial instruments to help manage these exposures. The Company executes these instruments with financial institutions it judges to be credit-worthy. The Company does not hold or issue derivative financial instruments for trading or speculative purposes.</font></div><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company recognizes all derivative financial instruments as either assets or liabilities at fair value in the consolidated balance sheets.</font></div></div>
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates</font><font style="font-family:inherit;font-size:10pt;"> — The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001111928-18-000034-index-headers.html	Edgar Link	pending
0001111928-18-000034-index.html	Edgar Link	pending
0001111928-18-000034.txt	Edgar Link	pending
0001111928-18-000034-xbrl.zip	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
ipgp-201312_chartx08434.jpg	Edgar Link	pending
ipgp-20171231.xml	Edgar Link	completed
ipgp-20171231.xsd	Edgar Link	pending
ipgp-20171231x10k.htm	Edgar Link	pending
ipgp-20171231_cal.xml	Edgar Link	unprocessable
ipgp-20171231_def.xml	Edgar Link	unprocessable
ipgp-20171231_lab.xml	Edgar Link	unprocessable
ipgp-20171231_pre.xml	Edgar Link	unprocessable
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$IPGP
IPG PHOTONICS CORP Stock $ipgp

2017 Q4 Form 10-K Financial Statement

#000111192818000034 Filed on February 28, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IPGP IPG PHOTONICS CORP Stock $ipgp

2017 Q4 Form 10-K Financial Statement

#000111192818000034 Filed on February 28, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IPGP
IPG PHOTONICS CORP Stock $ipgp