Derivative Instruments and Hedging Activities - Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Cash flow hedge
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 21,756	$ 17,776
Liability Derivatives	3,161	4,749
Not designated
Derivatives, Fair Value [Line Items]
Asset Derivatives	1,402	926
Liability Derivatives	2,042	4,553
Foreign currency forward contracts | Cash flow hedge | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	19,684	14,608
Foreign currency forward contracts | Cash flow hedge | Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	2,072	3,168
Foreign currency forward contracts | Cash flow hedge | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	2,228	3,615
Foreign currency forward contracts | Cash flow hedge | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	933	1,134
Foreign currency forward contracts | Not designated | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	5	95
Foreign currency forward contracts | Not designated | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	129	416
Commodity forward contracts | Not designated | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	1,084	524
Commodity forward contracts | Not designated | Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	313	307
Commodity forward contracts | Not designated | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	1,743	3,679
Commodity forward contracts | Not designated | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 170	$ 458