Derivative Financial Instruments - Additional Information (Details) € in Millions	1 Months Ended		3 Months Ended		9 Months Ended
	Jan. 31, 2020 USD ($)	Jan. 31, 2020 EUR (€)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) item	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2017
Derivative [Line Items]
Derivative cost of hedge	$ 700,000
Foreign currency unrealized losses expected to be reclassified into earnings over next twelve months			$ (1,200,000)		$ (1,200,000)
Foreign currency unrealized gains expected to be reclassified into earnings over next twelve months, net tax benefit			$ 100,000		$ 100,000
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)	0.50%	0.50%
Interest Rate Swap Agreements | Designated as Hedging Instrument
Derivative [Line Items]
Termination of derivative instruments | €		€ 45
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 loss, effective portion			$ 14,400,000	$ (16,900,000)	$ (100,000)	$ (25,700,000)
Foreign Currency Forward Exchange Contracts | Designated as Hedging Instrument
Derivative [Line Items]
Notional amount			272,500,000		272,500,000		$ 426,900,000
Carrying value / fair value of derivative assets			7,200,000		7,200,000		3,700,000
Carrying value / fair value of derivative assets included in prepaid expenses and other current assets			4,600,000		4,600,000		1,300,000
Carrying value / fair value of derivative liabilities			6,500,000		6,500,000		15,500,000
Carrying value / fair value of derivative liabilities included in non-current liabilities			700,000		700,000		2,900,000
Foreign Currency Forward Exchange Contracts | Designated as Hedging Instrument | Cash Flow Hedging
Derivative [Line Items]
Net gain (loss) recognized in gross margin			(2,600,000)	(3,800,000)	(12,700,000)	(8,400,000)
Foreign Currency Forward Exchange Contracts | Not Designated as Hedging Instrument
Derivative [Line Items]
Carrying value / fair value of derivative assets			200,000		200,000
Carrying value / fair value of derivative liabilities							100,000
Foreign exchange net gains (losses) on derivative contracts not designated as hedges			(900,000)	$ (1,300,000)	(2,500,000)	$ (1,900,000)
Carrying value / fair value of derivative assets included in prepaid expenses and other current assets							600,000
Commodity Swap Agreements
Derivative [Line Items]
Notional amount			10,600,000		10,600,000
Carrying value / fair value of derivative liabilities			3,200,000		3,200,000		5,400,000
Carrying value / fair value of derivative liabilities included in non-current liabilities			$ 200,000		$ 200,000		$ 1,100,000