Derivative Financial Instruments and Hedging Activities - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Apr. 30, 2016	Feb. 01, 2016	Dec. 31, 2015	Aug. 31, 2015
Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount			$ 159,700		$ 332,000
Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount		$ 100,000			$ 170,000
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	$ 44,800			$ 21,250
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	91,000			107,200
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	650,000			350,000
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0			0
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0			331,588
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	$ 0			$ 130,169