$ALG
ALAMO GROUP INC Stock $alg

$alg Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000089707719000012 Filed on March 01, 2019

Income Statement

Concept	2018 Q4	2017 Q4	2017 Q3
Revenue	$256.0M	$243.3M	$240.5M
YoY Change	5.25%	18.36%	10.93%
Cost Of Revenue	$193.4M	$182.3M	$175.5M
YoY Change	6.09%	15.67%	8.31%
Gross Profit	$62.63M	$60.91M	$64.94M
YoY Change	2.83%	27.08%	18.69%
Gross Profit Margin	24.46%	25.04%	27.01%
Selling, General & Admin	$37.90M	$40.00M	$37.18M
YoY Change	-5.25%	12.04%	10.32%
% of Gross Profit	60.51%	65.67%	57.25%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$6.300M	$5.100M	$5.300M
YoY Change	23.53%	2.0%	3.92%
% of Gross Profit	10.06%	8.37%	8.16%
Operating Expenses	$37.90M	$40.10M	$37.18M
YoY Change	-5.49%	12.64%	10.32%
Operating Profit	$24.73M	$20.81M	$27.76M
YoY Change	18.84%	68.74%	32.12%
Interest Expense	-$1.200M	-$500.0K	$1.414M
YoY Change	140.0%	-66.67%	0.64%
% of Operating Profit	-4.85%	-2.4%	5.09%
Other Income/Expense, Net	-$1.000M	$400.0K	-$1.561M
YoY Change	-350.0%	-20.0%	-1329.13%
Pretax Income	$22.60M	$20.80M	$24.89M
YoY Change	8.65%	84.07%	25.83%
Income Tax	$9.300M	$7.300M	$8.294M
% Of Pretax Income	41.15%	35.1%	33.33%
Net Earnings	$16.59M	$3.240M	$16.59M
YoY Change	412.01%	-57.3%	25.36%
Net Earnings / Revenue	6.48%	1.33%	6.9%
Basic Earnings Per Share			$1.43
Diluted Earnings Per Share	$1.41	$0.27	$1.42
COMMON SHARES
Basic Shares Outstanding	11.74M shares	11.63M shares	11.59M shares
Diluted Shares Outstanding	11.77M shares	11.73M shares	11.71M shares

Balance Sheet

Concept	2018 Q4	2017 Q4	2017 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$34.00M	$25.40M	$69.10M
YoY Change	33.86%	51.19%	22.3%
Cash & Equivalents	$34.04M	$25.37M	$69.07M
Short-Term Investments
Other Short-Term Assets	$5.300M	$5.300M	$5.500M
YoY Change	0.0%	12.77%	19.57%
Inventory	$176.6M	$155.6M	$159.6M
Prepaid Expenses	$5.327M	$5.336M	$5.470M
Receivables	$228.1M	$205.8M	$203.1M
Other Receivables	$8.700M	$500.0K	$1.000M
Total Short-Term Assets	$452.8M	$392.5M	$438.2M
YoY Change	15.37%	19.81%	11.58%
LONG-TERM ASSETS
Property, Plant & Equipment	$87.23M	$76.66M	$74.00M
YoY Change	13.78%	15.06%	8.26%
Goodwill	$83.24M	$84.76M	$86.36M
YoY Change	-1.79%	13.28%	13.81%
Intangibles	$48.86M	$52.87M	$54.74M
YoY Change	-7.59%	5.66%	7.5%
Long-Term Investments
YoY Change
Other Assets	$3.699M	$3.362M	$1.533M
YoY Change	10.02%	61.87%	-45.93%
Total Long-Term Assets	$268.8M	$247.1M	$248.4M
YoY Change	8.76%	9.76%	6.99%
TOTAL ASSETS
Total Short-Term Assets	$452.8M	$392.5M	$438.2M
Total Long-Term Assets	$268.8M	$247.1M	$248.4M
Total Assets	$721.6M	$639.7M	$686.6M
YoY Change	12.81%	15.72%	9.87%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$54.08M	$55.83M	$59.21M
YoY Change	-3.12%	29.42%	22.08%
Accrued Expenses	$43.79M	$40.45M	$35.82M
YoY Change	8.23%	22.0%	9.99%
Deferred Revenue	$2.520M	$200.0K
YoY Change	1160.0%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$119.0K	$82.00K	$276.0K
YoY Change	45.12%	12.33%	-79.88%
Total Short-Term Liabilities	$100.9M	$101.4M	$97.76M
YoY Change	-0.5%	28.8%	15.56%
LONG-TERM LIABILITIES
Long-Term Debt	$85.00M	$60.00M	$126.0M
YoY Change	41.67%	-14.31%	-5.98%
Other Long-Term Liabilities	$8.436M	$7.291M	$7.522M
YoY Change	15.7%	4.62%	26.74%
Total Long-Term Liabilities	$93.44M	$67.29M	$133.5M
YoY Change	38.85%	-12.59%	-4.6%
TOTAL LIABILITIES
Total Short-Term Liabilities	$100.9M	$101.4M	$97.76M
Total Long-Term Liabilities	$93.44M	$67.29M	$133.5M
Total Liabilities	$194.3M	$168.7M	$231.3M
YoY Change	15.2%	8.33%	3.0%
SHAREHOLDERS EQUITY
Retained Earnings	$443.0M	$374.7M	$372.6M
YoY Change	18.25%	11.85%	13.45%
Common Stock	$109.6M	$105.0M	$104.1M
YoY Change	4.35%	4.07%	3.69%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$426.0K	$426.0K	$426.0K
YoY Change	0.0%	0.0%	0.0%
Treasury Stock Shares	42.60K shares	42.60K shares	42.60K shares
Shareholders Equity	$515.4M	$449.1M	$446.5M
YoY Change
Total Liabilities & Shareholders Equity	$721.6M	$639.7M	$686.6M
YoY Change	12.81%	15.72%	9.87%

Cashflow Statement

Concept	2018 Q4	2017 Q4	2017 Q3
OPERATING ACTIVITIES
Net Income	$16.59M	$3.240M	$16.59M
YoY Change	412.01%	-57.3%	25.36%
Depreciation, Depletion And Amortization	$6.300M	$5.100M	$5.300M
YoY Change	23.53%	2.0%	3.92%
Cash From Operating Activities	$9.300M	$28.90M	$29.50M
YoY Change	-67.82%	3.96%	-31.55%
INVESTING ACTIVITIES
Capital Expenditures	-$7.900M	-$3.800M	-$3.400M
YoY Change	107.89%	52.0%	209.09%
Acquisitions
YoY Change
Other Investing Activities	$300.0K	$200.0K	-$12.00M
YoY Change	50.0%	-50.0%	-3100.0%
Cash From Investing Activities	-$7.700M	-$3.600M	-$15.40M
YoY Change	113.89%	63.64%	2466.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-17.00M	-66.80M	-21.10M
YoY Change	-74.55%	0.0%	-30.82%
NET CHANGE
Cash From Operating Activities	9.300M	28.90M	29.50M
Cash From Investing Activities	-7.700M	-3.600M	-15.40M
Cash From Financing Activities	-17.00M	-66.80M	-21.10M
Net Change In Cash	-15.40M	-41.50M	-7.000M
YoY Change	-62.89%	0.73%	-158.33%
FREE CASH FLOW
Cash From Operating Activities	$9.300M	$28.90M	$29.50M
Capital Expenditures	-$7.900M	-$3.800M	-$3.400M
Free Cash Flow	$17.20M	$32.70M	$32.90M
YoY Change	-47.4%	7.92%	-25.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	dei	Entity Registrant Name EntityRegistrantName	ALAMO GROUP INC
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000897077
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2018Q2	dei	Entity Public Float EntityPublicFloat	870475741	USD
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	11739074	shares
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	11662688	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	11577048	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	42600	shares
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	42600	shares
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.44
CY2017	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.40
CY2016	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.36
CY2018	alg	Inventory Usage Period InventoryUsagePeriod	P3Y
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3500000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3500000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3500000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3500000	USD
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.12
CY2018	dei	Document Type DocumentType	10-K
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34043000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25373000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	228098000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	205767000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	176630000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	155568000	USD
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	5327000	USD
CY2017Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	5336000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	8745000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	483000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	452843000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	392527000	USD
CY2018Q4	alg	Rental Equipment Net RentalEquipmentNet	43978000	USD
CY2017Q4	alg	Rental Equipment Net RentalEquipmentNet	28493000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	219135000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	202293000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	131905000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	125629000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	87230000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	76664000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	83243000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	84761000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	48857000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	52872000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1783000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	992000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3699000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3362000	USD
CY2018Q4	us-gaap	Assets Assets	721633000	USD
CY2017Q4	us-gaap	Assets Assets	639671000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	54083000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	55825000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2865000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	5002000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	43785000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	40454000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	119000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	82000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	100852000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	101363000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	85179000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	60000000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	6120000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	12316000	USD
CY2018Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	1944000	USD
CY2017Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	1225000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8436000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7291000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	11731000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	8368000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	1166000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	1158000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	108422000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	103864000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	426000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	426000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	443040000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	374678000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-44831000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-30166000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	507371000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	449108000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	721633000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	639671000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1008822000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	912380000	USD
CY2016	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	844748000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	752707000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	677687000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	639649000	USD
CY2018	us-gaap	Gross Profit GrossProfit	256115000	USD
CY2017	us-gaap	Gross Profit GrossProfit	234693000	USD
CY2016	us-gaap	Gross Profit GrossProfit	205099000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	155027000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	145955000	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	137479000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	101088000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	88738000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	67620000	USD
CY2018	us-gaap	Interest Expense InterestExpense	5493000	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	336000	USD
CY2017	us-gaap	Interest Expense InterestExpense	4839000	USD
CY2016	us-gaap	Interest Expense InterestExpense	5914000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	410000	USD
CY2016	us-gaap	Investment Income Interest InvestmentIncomeInterest	214000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1474000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1868000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	269000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	94531000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	82367000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	62189000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21045000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38052000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22144000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	73486000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	44315000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	40045000	USD
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.30
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.50
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.25
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.79
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.46
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11660000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11549000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11434000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11761000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11682000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11565000	shares
CY2018	us-gaap	Net Income Loss NetIncomeLoss	73486000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-10787000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-349000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	44315000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	40045000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	-13347000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	16966000	USD
CY2016	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	-13156000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-1667000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	987000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	2369000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-15014000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	17953000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	363000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	890000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-14665000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17590000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-11677000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	58821000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	61905000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28368000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	360469000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	40045000	USD
CY2016	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-13156000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1479000	USD
CY2016	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	230000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1414000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1369000	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	19000	USD
CY2016	us-gaap	Dividends Cash DividendsCash	4114000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	387717000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	44315000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	16966000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	624000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1869000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2397000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	166000	USD
CY2017	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2017	us-gaap	Dividends Cash DividendsCash	4614000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	449108000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	73486000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-13347000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1318000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2450000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2552000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	436000	USD
CY2018	us-gaap	Dividends Cash DividendsCash	5124000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	507371000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	73486000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	44315000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	40045000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	71000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	187000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	482000	USD
CY2018	us-gaap	Depreciation Depreciation	12884000	USD
CY2017	us-gaap	Depreciation Depreciation	11616000	USD
CY2016	us-gaap	Depreciation Depreciation	11267000	USD
CY2018	us-gaap	Equipment Expense EquipmentExpense	6725000	USD
CY2017	us-gaap	Equipment Expense EquipmentExpense	5531000	USD
CY2016	us-gaap	Equipment Expense EquipmentExpense	6429000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3505000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3317000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3104000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	221000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	203000	USD
CY2016	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	213000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	2450000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	1869000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	1414000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2052000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1328000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2620000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	361000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	341000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	345000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	27029000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23134000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3876000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	25991000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-142000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-12340000	USD
CY2018	alg	Increase Decreasein Rental Equipment IncreaseDecreaseinRentalEquipment	22424000	USD
CY2017	alg	Increase Decreasein Rental Equipment IncreaseDecreaseinRentalEquipment	3054000	USD
CY2016	alg	Increase Decreasein Rental Equipment IncreaseDecreaseinRentalEquipment	-315000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	583000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2845000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5634000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4130000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11688000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-5382000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-10332000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	2357000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	2908000	USD
CY2018	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-6196000	USD
CY2017	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	12478000	USD
CY2016	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	0	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	302000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-543000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	2132000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12910000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70804000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	75784000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	38553000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	188000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	26587000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13490000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9711000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1341000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	767000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1293000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	112000	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2016	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	50000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-25358000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-51276000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8656000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	159000000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	143000000	USD
CY2016	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	79000000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	134000000	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	153000000	USD
CY2016	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	153000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	216000	USD
CY2017	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-17000	USD
CY2016	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-38000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	48000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2016	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	593000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5124000	USD
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;">Use of Estimates</span></div><div><span><br/></span></div><div style="text-indent:18pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;"> The preparation of financial statements in conformity with U.S. Generally Accepted Accounting Principles requires management to make estimates and assumptions that affect the amount of assets, liabilities, revenues, and expenses reported in the financial statements and accompanying notes. Judgments related to asset impairment and certain reserves are particularly subject to change. Actual results could differ from those estimates. Such estimates include, but are not limited to, allowance for doubtful accounts, reserve for sales discounts, estimated realizable value on obsolete and slow-moving inventory, warranty reserve, estimates related to pension accounting; estimates related to fair value for purposes of assessing goodwill, long-lived assets and intangible assets for impairment; estimates related to income taxes; and estimates related to contingencies.</span></div>
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4614000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4114000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2552000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2397000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1369000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	436000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	166000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	19000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	22208000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-12400000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-77347000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1090000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	1452000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	90000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	8670000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	8580000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-10129000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	16793000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	5199000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25373000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	16793000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	26922000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34043000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25373000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	5217000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	5796000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	30295000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	23175000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16637000	USD
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2017Q4	us-gaap	Restricted Cash RestrictedCash	0	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	0	USD
CY2018	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;">Concentrations of Credit Risk</span></div><div style="text-indent:18pt;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;">Financial instruments which potentially subject the Company to concentrations of credit risk consist principally of accounts receivable. The credit risk is limited because of the large numbers and types of customers and their geographic dispersion.</span></div>
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.005
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.006
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0294
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0223
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0154
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.005
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.345
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.376
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.485
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P8Y
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P8Y
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P8Y
CY2018	us-gaap	Net Income Loss NetIncomeLoss	73486000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	44315000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	40045000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11660000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11549000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11434000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	101000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	133000	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	131000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11761000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11682000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11565000	shares
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.30
CY2018Q4	alg	Inventory Reserve Percentage InventoryReservePercentage	1
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.50
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.25
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.79
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.46
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4850	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1565	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21491	shares
CY2018Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	7194000	USD
CY2017Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	6932000	USD
CY2018Q4	alg	Inventory Reserve Percentage InventoryReservePercentage	1
CY2018	alg	Product Warranty Accrual Period Of Expenses Used In Calculation ProductWarrantyAccrualPeriodOfExpensesUsedInCalculation	P12M
CY2018	alg	Product Warranty Accrual Period For Sales Used In Calculation ProductWarrantyAccrualPeriodForSalesUsedInCalculation	P12M
CY2018Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	4992000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	5335000	USD
CY2018Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.60
CY2017Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.62
CY2018Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	10646000	USD
CY2017Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	7919000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	149298000	USD
CY2017Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	133161000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	12732000	USD
CY2017Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	10243000	USD
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	14600000	USD
CY2017Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	12164000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	176630000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	155568000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	202293000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	219135000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	131905000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	125629000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	87230000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	76664000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	75509000	USD
CY2016	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	684000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	74825000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2195000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	2646000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	7741000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	84761000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	2376000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	858000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	83243000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	58259000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	58912000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14902000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11540000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	43357000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	82000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	47372000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	48857000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	52872000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3500000	USD
CY2018Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	22598000	USD
CY2017Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	25100000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	6621000	USD
CY2017Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	3463000	USD
CY2018Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	4992000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	5335000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	85179000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	2792000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2520000	USD
CY2017Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	200000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	4408000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3564000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	43785000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	40454000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	85298000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	60082000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	119000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	60000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	119000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	94000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	85064000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	21000	USD
CY2018Q4	alg	Longterm Debt Maturities Repaymentsof Principalafter Year Four LongtermDebtMaturitiesRepaymentsofPrincipalafterYearFour	0	USD
CY2017	alg	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	10200000	USD
CY2018	alg	Tax Cuts And Jobs Act Decrease In Deferred Tax Liability Due To Transition Tax TaxCutsAndJobsActDecreaseInDeferredTaxLiabilityDueToTransitionTax	4200000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1200000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	66858000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	61329000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	44446000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	27673000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	21038000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	17743000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	94531000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	82367000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	62189000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6771000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	26713000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11958000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	7391000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	6222000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	5491000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4831000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3789000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2075000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	18993000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	36724000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19524000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2542000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1711000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1580000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-390000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-155000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	934000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-100000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-228000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	106000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2052000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1328000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2620000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21045000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38052000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22144000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	19851000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	28828000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	21766000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	719000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1863000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1936000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-267000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	308000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1731000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-205000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-778000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	275000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3917000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2463000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1295000	USD
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.36
CY2018	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	1039000	USD
CY2016	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	618000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	531000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	500000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	329000	USD
CY2018	alg	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	673000	USD
CY2017	alg	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	0	USD
CY2016	alg	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	0	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	219000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	397000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-40000	USD
CY2018	alg	Income Tax Expense Benefit Before Tax Cuts And Jobs Act Of2017 IncomeTaxExpenseBenefitBeforeTaxCutsAndJobsActOf2017	24376000	USD
CY2017	alg	Income Tax Expense Benefit Before Tax Cuts And Jobs Act Of2017 IncomeTaxExpenseBenefitBeforeTaxCutsAndJobsActOf2017	27816000	USD
CY2016	alg	Income Tax Expense Benefit Before Tax Cuts And Jobs Act Of2017 IncomeTaxExpenseBenefitBeforeTaxCutsAndJobsActOf2017	22144000	USD
CY2018	alg	Effective Income Tax Rate Reconciliation Before Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationBeforeTaxCutsAndJobsActOf2017Percent	0.26
CY2017	alg	Effective Income Tax Rate Reconciliation Before Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationBeforeTaxCutsAndJobsActOf2017Percent	0.34
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1200000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-3334000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	-4531000	USD
CY2017	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	13104000	USD
CY2016	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	0	USD
CY2018	alg	Effective Income Tax Rate Reconciliation Other Adjustments Tax Cut And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationOtherAdjustmentsTaxCutAndJobsActOf2017Amount	0	USD
CY2017	alg	Effective Income Tax Rate Reconciliation Other Adjustments Tax Cut And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationOtherAdjustmentsTaxCutAndJobsActOf2017Amount	466000	USD
CY2016	alg	Effective Income Tax Rate Reconciliation Other Adjustments Tax Cut And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationOtherAdjustmentsTaxCutAndJobsActOf2017Amount	0	USD
CY2018	alg	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-3331000	USD
CY2017	alg	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	10236000	USD
CY2016	alg	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21045000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38052000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22144000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.22
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.46
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.36
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1825000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	571000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	251000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	310000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	56000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	4000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	672000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	549000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	3204000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	2859000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	1911000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	2193000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	1294000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	1211000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	4164000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	4266000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	148000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	286000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	4106000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	-156000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	216000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	13369000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	16571000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3696000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8519000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	9673000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	8052000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9928000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7477000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	8944000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7064000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	749000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	887000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	19621000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	15428000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	9948000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	7376000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-4800000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	236000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	234000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	234000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	235000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	63000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	62000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	61000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	63000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	236000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	234000	USD
CY2018Q4	alg	Tax Cuts And Jobs Act Incomplete Accounting Provisional Undistributed Accumulated Earnings Of Foreign Subsidiary TaxCutsAndJobsActIncompleteAccountingProvisionalUndistributedAccumulatedEarningsOfForeignSubsidiary	3326000	USD
CY2018Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	30000000	USD
CY2006Q1	alg	Defined Benefit Plan Numberof Defined Benefit Pension Plans DefinedBenefitPlanNumberofDefinedBenefitPensionPlans	2	plan
CY2018Q4	us-gaap	Defined Benefit Plan Expected Amortization Next Fiscal Year DefinedBenefitPlanExpectedAmortizationNextFiscalYear	542000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	18106000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	20327000	USD
CY2018	alg	Defined Contribution Plan Number Of Plans DefinedContributionPlanNumberOfPlans	2	plan
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1008822000	USD
CY2018Q4	us-gaap	Assets Assets	721633000	USD
CY2017Q4	us-gaap	Assets Assets	639671000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	912380000	USD
CY2016	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	844748000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1008822000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	912380000	USD
CY2016	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	844748000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	101088000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	88738000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	67620000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	83243000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	84761000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2453000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	94000	USD
CY2018	us-gaap	Revenues Revenues	1008822000	USD
CY2017	us-gaap	Revenues Revenues	912380000	USD
CY2016	us-gaap	Revenues Revenues	844748000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	268041000	USD
CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	246097000	USD
CY2016Q4	us-gaap	Noncurrent Assets NoncurrentAssets	224190000	USD
CY2018	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	COMMITMENTS AND CONTINGENCIES<div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;">Leases</span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;"> </span></div><div style="text-indent:18pt;margin-bottom:10pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;">The Company leases office space and equipment under various operating and capital leases, which generally are expected to be renewed or replaced by other leases. As of December 31, 2018, future minimum lease payments under these non-cancelable leases are:</span></div><div style="text-align:center;margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.990000%;"><tr><td style="width:1.0%;"/><td style="width:65.836257%;"/><td style="width:1.0%;"/><td style="width:0.1%;"/><td style="width:0.530994%;"/><td style="width:0.1%;"/><td style="width:1.0%;"/><td style="width:10.865497%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:3.116959%;"/><td style="width:1.0%;"/><td style="width:1.0%;"/><td style="width:11.450292%;"/><td style="width:1.0%;"/></tr><tr><td colspan="15" style="padding-top:2px;padding-bottom:2px;height:24pt;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:700;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">Future Minimum Lease Payments </span></td><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:9pt;font-weight:400;line-height:100%;"> </span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:9pt;font-weight:400;line-height:100%;">(in thousands)</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"><div style="text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:9pt;font-weight:700;line-height:100%;">Operating</span></div><div style="text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:9pt;font-weight:700;line-height:100%;">Leases</span></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000;padding-left:1pt;padding-right:1pt;"><div style="text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:9pt;font-weight:700;line-height:100%;">Capitalized</span></div><div style="text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:9pt;font-weight:700;line-height:100%;">Leases</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">2019</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;border-top:1pt solid #000000;padding-left:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;border-top:1pt solid #000000;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">3,310 </span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;border-top:1pt solid #000000;padding-left:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;border-top:1pt solid #000000;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">119 </span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">2020</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">2,453 </span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">94 </span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">2021</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">1,308 </span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">64 </span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">2022</span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">743 </span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">21 </span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">2023</span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">419 </span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">— </span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">Thereafter </span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">79 </span></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"/><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:right;vertical-align:middle;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">— </span></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">Total minimum lease payments </span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;border-top:1pt solid #000000;padding-left:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;border-top:1pt solid #000000;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">8,312 </span></td><td colspan="3" style="background-color:#cceeff;text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"/><td style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:left;vertical-align:middle;border-top:1pt solid #000000;padding-left:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">$</span></td><td colspan="2" style="padding-top:2px;padding-bottom:2px;background-color:#cceeff;text-align:right;vertical-align:middle;border-top:1pt solid #000000;padding-right:1pt;"><span style="font-size:9pt;font-weight:400;font-family:Arial;color:#000000;background-color:rgb(255,255,255, 0.0);">298 </span></td></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr><tr><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/><td colspan="3" style="display:none;"/></tr></table></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;"> </span></div><div style="text-indent:18pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;">Rental expense for operating leases was $5,087,000 for 2018, $4,788,000 for 2017, and $4,060,000 for 2016.</span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;">Other Commitments</span></div><div><span><br/></span></div><div style="text-indent:18pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;"> Like other manufacturers, the Company is subject to a broad range of federal, state, local and foreign laws and requirements, including those concerning air emissions, discharges into waterways, and the generation, handling, storage, transportation, treatment and disposal of hazardous substances and waste materials, as well as the remediation of contamination associated with releases of hazardous substances at the Company’s facilities and off-site disposal locations, workplace safety and equal employment opportunities. These laws and regulations are constantly changing, and it is impossible to predict with accuracy the effect that changes to such laws and regulations may have on the Company in the future. Like other industrial concerns, the Company’s manufacturing operations entail the risk of noncompliance, and there can be no assurance that the Company will not incur material costs or other liabilities as a result thereof.</span></div>
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	3310000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	119000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1308000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	238087000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4060000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	64000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	743000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	21000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	419000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	79000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	8312000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	298000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	5087000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4788000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	257125000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	257572000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	16589000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	12167000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	12316000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	256038000	USD
CY2017Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	215389000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	213276000	USD
CY2017Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	240455000	USD
CY2017Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	243260000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	60257000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	66454000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	66772000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	62632000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	54164000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	54679000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	64939000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	60911000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	14583000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	18771000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	23543000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	16592000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	3240000	USD
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.24
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.60
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.05
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.05
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11739000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11759000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11777000	shares
CY2018Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11768000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11620000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11671000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11708000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11727000	shares
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.11
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.11
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.11
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.11
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2017Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2017Q4	alg	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	10100000	USD

Files In Submission

Name	View Source	Status
0000897077-19-000012-index-headers.html	Edgar Link	pending
0000897077-19-000012-index.html	Edgar Link	pending
0000897077-19-000012.txt	Edgar Link	pending
0000897077-19-000012-xbrl.zip	Edgar Link	pending
a201810kex211.htm	Edgar Link	pending
a201810kex231.htm	Edgar Link	pending
a201810kex311.htm	Edgar Link	pending
a201810kex312.htm	Edgar Link	pending
a201810kex313.htm	Edgar Link	pending
a201810kex321.htm	Edgar Link	pending
a201810kex322.htm	Edgar Link	pending
a201810kex323.htm	Edgar Link	pending
alg-20181231.htm	Edgar Link	pending
alg-20181231.xsd	Edgar Link	pending
alg-20181231_cal.xml	Edgar Link	unprocessable
alg-20181231_def.xml	Edgar Link	unprocessable
alg-20181231_g1.jpg	Edgar Link	pending
alg-20181231_htm.xml	Edgar Link	completed
alg-20181231_lab.xml	Edgar Link	unprocessable
alg-20181231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$ALG
ALAMO GROUP INC Stock $alg

2018 Q4 Form 10-K Financial Statement

#000089707719000012 Filed on March 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALG ALAMO GROUP INC Stock $alg

2018 Q4 Form 10-K Financial Statement

#000089707719000012 Filed on March 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALG
ALAMO GROUP INC Stock $alg