Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Statement of Other Comprehensive Income [Abstract]
Net income (loss)	$ (3.8)	$ (21.8)	$ 33.1	$ (39.1)
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	0.8	(45.9)	(11.8)	(27.8)
Prior service credit	(0.6)	(1.8)	(3.4)	(4.7)
Pension and postretirement benefits:
Net actuarial (gain)	(2.4)	(0.2)	(4.0)	(0.6)
Reclassification of prior service credit	0	0	(40.5)	0
Unrealized gain (loss) on cash flow hedges	0.6	(23.3)	5.6	(16.9)
Reclassification adjustment for losses (gains) on cash flow hedges included in net income (loss)	2.7	(1.8)	6.7	(11.2)
Other comprehensive income (loss)	1.1	(73.0)	(47.4)	(61.2)
Total comprehensive loss	$ (2.7)	$ (94.8)	$ (14.3)	$ (100.3)