Derivative Financial Instruments and Hedging Activities - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Aug. 31, 2015	Dec. 31, 2014
Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount		$ 332,000
Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount		$ 170,000
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	$ 21,250		$ 28,540
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	107,200		79,400
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	350,000		0
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0		27,419
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	331,588		0
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	$ 130,169		$ 161,968