CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 37.6	$ 30.2	$ 64.7	$ 61.9
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(1.5)	(0.8)	(3.3)	(19.1)
Defined benefit pension and other postretirement plan adjustments, net of tax of $0, $0.7, $0.2 and $1.8, respectively	0.1	1.1	0.3	3.2
Net gains on derivatives, net of tax of $0.2, $0.5, $0.4 and $0.1, respectively	0.5	0.7	0.7	0.4
Other comprehensive (loss) income, net of tax	(0.9)	1.0	(2.3)	(15.5)
Comprehensive income	$ 36.7	$ 31.2	$ 62.4	$ 46.4