Condensed Consolidated Statements of Comprehensive (Loss) Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net (loss) earnings available to common stockholders	$ (1,232.4)	$ 73.7	$ (1,252.0)	$ 198.4
Other comprehensive (loss) income, net of income taxes:
Recognition of deferred pension items, net of taxes of $0.3 for the three months ended September 30, 2011, $2.1 for the nine months ended September 30, 2012 and $1.0 for the nine months ended September 30, 2011	(0.2)	2.1	2.9	4.2
Unrealized gains (losses) on derivative instruments, net of taxes of $0.1 for the three months ended September 30, 2011, $0.1 for the nine months ended September 30, 2012 and $0.3 for the nine months ended September 30, 2011	0.4	(0.1)	0.2	(0.4)
Foreign currency translation adjustments	90.4	(97.9)	48.7	(12.8)
Comprehensive (loss) income, net of income taxes	$ (1,141.8)	$ (22.2)	$ (1,200.2)	$ 189.4