Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net (loss) earnings available to common stockholders	$ (6.0)	$ 59.7
Other comprehensive income, net of taxes:
Recognition of deferred pension items, net of taxes of $1.5 in 2012 and $0.3 in 2011	0.2	1.1
Unrealized losses on derivative instruments, net of taxes of $0.1 in 2012 and $0.1 in 2011	(0.2)	(0.2)
Foreign currency translation adjustments	107.8	59.0
Comprehensive income, net of taxes	$ 101.8	$ 119.6