CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 27.1	$ 31.7
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1.8)	(18.4)
Defined benefit pension and other postretirement plan adjustments, net of tax of $0.2 and $1.1, respectively	0.2	2.1
Net gains (losses) on derivatives, net of tax of $0.2 and $(0.4), respectively	0.2	(0.3)
Other comprehensive income (loss), net of tax	(1.4)	(16.6)
Comprehensive income	$ 25.7	$ 15.1