Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Foreign currency translation adjustments
Beginning Balance	$ (410.5)	$ 178.4	$ (160.7)	$ 181.1
Comprehensive income (loss) before reclassifications	84.2	(1.1)	(165.6)	(3.8)
Income taxes associated with comprehensive income (loss) before reclassifications	0.0	0.0	0.0	0.0
Reclassification from accumulated other comprehensive income (loss)	0.0	0.0	0.0	0.0
Income taxes reclassified into net earnings	0.0	0.0	0.0	0.0
Ending Balance	(326.3)	177.3	(326.3)	177.3
Hedge instruments
Beginning Balance	5.9	(17.3)	1.7	(16.0)
Comprehensive income (loss) before reclassifications	(1.4)	0.5	5.2	(2.8)
Income taxes associated with comprehensive income (loss) before reclassifications	0.3	0.1	(1.3)	1.4
Reclassification from accumulated other comprehensive income (loss)	(2.3)	0.1	(3.5)	0.9
Income taxes reclassified into net earnings	0.7	0.0	1.1	(0.1)
Ending Balance	3.2	(16.6)	3.2	(16.6)
Defined benefit postretirement plans
Beginning Balance	(215.0)	(180.3)	(227.3)	(181.5)
Comprehensive income (loss) before reclassifications	(7.9)	0.0	6.6	0.0
Income taxes associated with comprehensive income (loss) before reclassifications	1.8	0.0	(2.2)	0.0
Reclassification from accumulated other comprehensive income (loss)	2.6	(0.9)	5.0	0.8
Income taxes reclassified into net earnings	(0.8)	(0.4)	(1.4)	(0.9)
Ending Balance	(219.3)	(181.6)	(219.3)	(181.6)
Other
Beginning Balance	2.7	2.4	2.7	2.4
Comprehensive income (loss) before reclassifications	0.2	(0.1)	0.2	(0.1)
Income taxes associated with comprehensive income (loss) before reclassifications	0.0	0.0	0.0	0.0
Reclassification from accumulated other comprehensive income (loss)	0.0	0.0	0.0	0.0
Income taxes reclassified into net earnings	0.0	0.0	0.0	0.0
Ending Balance	2.9	2.3	2.9	2.3
Total
Beginning Balance	(616.9)	(16.8)	(383.6)	(14.0)
Comprehensive income (loss) before reclassifications	75.1	(0.7)	(153.6)	(6.7)
Income taxes associated with comprehensive income (loss) before reclassifications	2.1	0.1	(3.5)	1.4
Reclassification from accumulated other comprehensive income (loss)	0.3	(0.8)	1.5	1.7
Income taxes reclassified into net earnings	(0.1)	(0.4)	(0.3)	(1.0)
Ending Balance	$ (616.9)	$ (16.8)	$ (383.6)	$ (14.0)	$ (539.5)	$ (18.6)