Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

As of December 31, 2016, the Company had the following outstanding foreign currency derivatives that were used to hedge its foreign exchange risks:

Foreign Currency Derivative	Number of Instruments	Notional Sold		Notional Purchased
Currency forward agreements (EUR-USD)	18	54.0	USD	48.4	EUR
Currency forward agreements (EUR-GBP)	13	36.7	GBP	45.0	EUR

Gain (loss) recognized on non-designated derivative instruments

Foreign Currency Option Contracts