Fair Value Measurements - Additional Information (Details)	3 Months Ended
	Mar. 31, 2018 USD ($) item Liability
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Number of counterparties, which experienced significant downgrades | item	0
Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets	$ 0
Liabilities	$ 0
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value measurement with unobservable inputs reconciliation, number of liabilities | Liability	1
Acquisition of fair value liabilities, contingent consideration	$ 2,900,000
Level 2 | Fair Value Measured on Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative assets	20,200,000
Derivative liabilities	1,500,000
Level 2 | Fair Value Measured on Recurring Basis | Interest Rate Swap Agreements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative assets	1,000,000
Derivative liabilities	$ 300,000
Derivative assets and liabilities measurement valuation	Interest rate swaps — valued using LIBOR yield curves at the reporting date.
Level 2 | Fair Value Measured on Recurring Basis | Foreign Currency Forward Exchange Contracts
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative assets	$ 19,200,000
Derivative liabilities	$ 1,200,000
Derivative assets and liabilities measurement valuation	Foreign exchange derivative assets and liabilities — valued using quoted forward prices at the reporting date.