Accumulated Other Comprehensive Income (Loss) (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Summary of the components of accumulated other comprehensive income (loss), net of tax
Balance at beginning of period	$ 28.2
Other comprehensive loss before reclassifications	(72.7)
Realized loss on reclassification, net of tax of $2.1 million	8.5
Net current period other comprehensive income (loss)	(64.2)
Balance at end of period	(36.0)
Realized loss on reclassification, tax	2.1
Foreign Currency Translation
Summary of the components of accumulated other comprehensive income (loss), net of tax
Balance at beginning of period	66.0
Other comprehensive loss before reclassifications	(72.5)
Net current period other comprehensive income (loss)	(72.5)
Balance at end of period	(6.5)
Pension Liability Adjustment
Summary of the components of accumulated other comprehensive income (loss), net of tax
Balance at beginning of period	(37.8)
Other comprehensive loss before reclassifications	(0.2)
Realized loss on reclassification, net of tax of $2.1 million	8.5
Net current period other comprehensive income (loss)	8.3
Balance at end of period	$ (29.5)