CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 51.5	$ 54.4	$ (86.3)
Other comprehensive (loss) income:
Pension and postretirement liability adjustments, net of $3.9, $1.0 and $0.3 tax benefit	(7.1)	(1.7)	(0.6)
Change in fair value of cash flow hedges, net of $0.1, $0.1 and $0.4 tax benefit	(0.2)	(0.3)	(0.7)
Reclassification adjustment for hedge gains and losses included in net income (loss), net of $0.2, $0.1 and $0.2 tax benefit	0.5	0.1	0.4
Foreign currency translation adjustments	(14.4)	1.1	5.0
Total other comprehensive (loss) income	(21.2)	(0.8)	4.1
Comprehensive income (loss)	$ 30.3	$ 53.6	$ (82.2)