Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net earnings available to common stockholders	$ 28.1	$ 60.1	$ 125.3	$ 131.0
Other comprehensive (loss) income, net of taxes:
Recognition of deferred pension items, net of taxes of $2.0 for the three months ended June 30, 2015, $(0.3) for the three months ended June 30, 2014, $(3.2) for the six months ended June 30, 2015 and zero for the six months ended June 30, 2014	(1.7)	0.6	15.6	2.4
Foreign currency translation adjustments	6.5	20.7	(66.3)	23.1
Other comprehensive (loss) income, net of taxes	(8.8)	19.6	(70.3)	22.1
Comprehensive income, net of taxes	19.3	79.7	55.0	153.1
Net Investment Hedge [Member]
Other comprehensive (loss) income, net of taxes:
Unrealized losses on derivative instruments, net of taxes	(11.3)		(19.3)
Cash Flow Hedge [Member]
Other comprehensive (loss) income, net of taxes:
Unrealized losses on derivative instruments, net of taxes	$ (2.3)	$ (1.7)	$ (0.3)	$ (3.4)