Derivative Financial Instruments - Additional Information (Details) € in Millions	3 Months Ended
	Mar. 31, 2019 USD ($) item	Mar. 31, 2018 USD ($)	Mar. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2017
Derivative [Line Items]
Foreign currency unrealized losses expected to be reclassified into earnings over next twelve months	$ (6,500,000)
Foreign currency unrealized gains expected to be reclassified into earnings over next twelve months, tax	$ 2,500,000
3.95% senior unsecured notes due 2027
Derivative [Line Items]
Debt instrument, interest rate	3.95%		3.95%		3.95%
Interest Rate Swap Agreements
Derivative [Line Items]
Derivative fixed interest rate (as a percent)	0.51%		0.51%
Carrying value / fair value of derivative liabilities included in other liabilities	$ 700,000			$ 500,000
Interest Rate Swap Agreements | U.S. dollars
Derivative [Line Items]
Variable Rate Basis	LIBOR
Interest Rate Swap Agreements | EUR
Derivative [Line Items]
Variable Rate Basis	Euribor
Swaps maturing September 2019
Derivative [Line Items]
Average fixed interest rate (as a percent)	1.09%		1.09%
Interest Rate Swap Final Maturity Period One
Derivative [Line Items]
Final maturity date of swap amortization	Jun. 30, 2023
Interest Rate Swap Final Maturity Period Two
Derivative [Line Items]
Final maturity date of swap amortization	Jun. 30, 2024
Treasury Lock | Interest Lock Agreement | 3.95% senior unsecured notes due 2027
Derivative [Line Items]
Percentage of reduction in effective interest rate on senior notes	0.25%
Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Number of credit contingency features | item	0
Foreign Currency Forward Exchange Contracts | Cash Flow Hedging
Derivative [Line Items]
Gains (losses) in other comprehensive income, effective portion	$ (3,600,000)	$ 8,400,000
Commodity Swap Agreements
Derivative [Line Items]
Carrying value / fair value of derivative liabilities included in other liabilities	4,600,000
Notional amount	20,100,000
Designated as Hedging Instrument | Interest Rate Swap Agreements
Derivative [Line Items]
Floating rate obligation	50,000,000		€ 52.9
Carrying value / fair value of derivative assets included in other assets	300,000			600,000
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Carrying value / fair value of derivative assets included in other assets	1,100,000			1,300,000
Carrying value / fair value of derivative liabilities included in other liabilities	17,100,000			15,300,000
Notional amount	418,500,000			416,500,000
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Other Noncurrent Liabilities
Derivative [Line Items]
Carrying value / fair value of derivative liabilities included in other liabilities	10,000,000
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Cash Flow Hedging
Derivative [Line Items]
Net gain (loss) recognized in gross margin	(1,800,000)	2,300,000
Not Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Carrying value / fair value of derivative assets included in other assets	100,000			$ 300,000
Carrying value / fair value of derivative liabilities included in other liabilities	200,000
Foreign exchange net gains (losses) on derivative contracts not designated as hedges	$ 300,000	$ 2,000,000