Derivative Financial Instruments - Additional Information (Details) € in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 EUR (€) item
Derivative [Line Items]
Number of interest rate swaps | item	2			2
Foreign currency unrealized loss expected to be reclassified into earnings over next twelve months	$ (5,000,000)
Foreign currency unrealized gains expected to be reclassified into earnings over next twelve months, tax	1,500,000
3.95% senior unsecured notes due 2027
Derivative [Line Items]
Proceeds from issue of senior notes in settlement of derivatives	$ 10,000,000
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	$ 500,000	$ 400,000
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	$ (25,800,000)	34,600,000	$ (32,200,000)
Commodity Swap Agreements
Derivative [Line Items]
Carrying value / fair value of derivative liabilities included in other liabilities	2,500,000
Notional amount	16,600,000
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	600,000	800,000
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Carrying value / fair value of derivative assets included in other assets	1,300,000	14,700,000
Carrying value / fair value of derivative liabilities included in other liabilities	15,300,000	2,800,000
Notional amount	416,500,000	285,400,000
Gains (losses) in other comprehensive income, effective portion	(20,100,000)	25,600,000	(25,300,000)
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Cash Flow Hedging
Derivative [Line Items]
Net gain (loss) recognized in gross margin		(11,300,000)	(19,400,000)
Not Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Carrying value / fair value of derivative assets included in other assets	300,000
Carrying value / fair value of derivative liabilities included in other liabilities	100,000
Foreign exchange net gains (losses) on derivative contracts not designated as hedges	$ (4,300,000)	$ 17,100,000	$ (900,000)