Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Gain (loss) recognized on non-designated derivative instruments

The Company uses derivatives to mitigate the economic consequences associated with fluctuations in currencies and interest rates. The following table summarizes the gain (loss) recognized on derivative instruments:

Derivative instrument	Classification on consolidated statement of operations	2017			2016			2015
Non-designated hedges and interest rate swaps	Interest expense	$	(4.3	)	$	(5.1	)	$	(4.2	)
Gain on foreign currency option contracts - acquisition related	Miscellaneous, net	—			35.6			7.0
Foreign exchange forward contracts and cash flow hedges	Foreign exchange gain (loss), net	6.3			4.4			10.7
Foreign exchange forward contracts - acquisition related	Miscellaneous, net	—			(26.4		)	—
Total		$	2.0		$	8.5		$	13.5

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

As of December 31, 2017, 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)	10	56.8	USD	49.6	EUR
Currency forward agreements (EUR-GBP)	12	31.0	GBP	35.0	EUR
Currency forward agreements (EUR-CAD)	1	1.0	CAD	0.7	EUR
Currency forward agreements (EUR-CZK)	2	161.6	CZK	6.1	EUR