Derivative Financial Instruments (Details textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative [Line Items]
Net gain (loss)	$ 5.8	$ (0.9)	$ 1.8	$ (2.9)
Maturities of foreign currency forward contracts			3 months
Level 2 | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Net	0.6		$ 0.6
Level 2 | Interest Rate Swap [Member] | Other current assets
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	1.3		1.3
Level 2 | Interest Rate Swap [Member] | Other current liabilities
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Liability	$ 0.7		$ 0.7
Term loan facility [Member]
Derivative [Line Items]
Effective interest rate	2.49%		2.49%