Fair Value of Financial Instruments (Details 2) - Contingent consideration - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Changes in contingent consideration liabilities
Balance at the beginning of the period			$ 11.9
Current period adjustments	$ (3.1)	$ 0.1	(3.0)	$ 0.1
Current period settlements			(3.6)
Foreign currency effect			(0.1)
Balance at the end of the period	5.2		5.2
Amount of changes to the fair value of the contingent consideration recognized in earnings	$ (3.1)	$ 0.1	$ (3.0)	$ 0.1