Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net earnings available to common stockholders	$ 86.6	$ 60.8	$ 211.9	$ 191.8
Other comprehensive (loss) income, net of taxes:
Recognition of deferred pension items, net of taxes of $(0.6) for the three months ended September 30, 2015, $(2.9) for the three months ended September 30, 2014, $(1.2) for the nine months ended September 30, 2015 and $(3.0) for the nine months ended September 30, 2014	2.0	1.9	9.4	5.4
Foreign currency translation adjustments	(137.9)	(131.7)	(197.1)	(109.9)
Other comprehensive (loss) income, net of taxes	(129.1)	(125.5)	(199.4)	(103.4)
Comprehensive (loss) income, net of taxes	(42.5)	(64.7)	12.5	88.4
Net Investment Hedge [Member]
Other comprehensive (loss) income, net of taxes:
Unrealized losses on derivative instruments, net of taxes	4.9		(14.4)
Cash Flow Hedge [Member]
Other comprehensive (loss) income, net of taxes:
Unrealized losses on derivative instruments, net of taxes	$ 1.9	$ 4.3	$ 2.7	$ 1.1