Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustments	$ 181.1	$ 140.8	$ 85.8	$ 148.0
Hedge instruments	(16.0)	(37.2)	(50.5)	(44.8)
Defined benefit postretirement plans	(181.5)	(225.8)	(187.2)	(158.1)
Other	2.4	0.9	1.1	1.2
Accumulated other comprehensive loss	(14.0)	(121.3)	(150.8)	(53.7)
Comprehensive (loss) income before reclassifications, Foreign currency translation adjustments	40.3	38.2	(62.2)
Comprehensive (loss) income before reclassifications, Hedge instruments	19.6	30.3	(9.2)
Comprehensive (loss) income before reclassifications, Defined benefit postretirement plans	52.5	(60.8)	(47.3)
Comprehensive (loss) income before reclassifications, Other	1.5	(0.2)	(0.1)
Comprehensive (loss) income before reclassifications, Total	113.9	7.5	(118.8)
Income taxes associated with comprehensive (loss) income before reclassifications, Hedge instruments	(8.1)	(10.4)	3.0
Income taxes associated with comprehensive (loss) income before reclassifications, Defined benefit postretirement plans	(15.8)	16.2	13.3
Income taxes associated with comprehensive (loss) income before reclassifications, Total	(23.9)	5.8	16.3
Reclassification from accumulated other comprehensive (loss) income, Foreign currency translation adjustments		16.8
Reclassification from accumulated other comprehensive (loss) income, Hedge instruments	12.6	(8.8)	1.5
Reclassification from accumulated other comprehensive (loss) income, Defined benefit postretirement plans	11.2	9.1	7.6
Reclassification from accumulated other comprehensive (loss) income, Total	23.8	17.1	9.1
Income taxes reclassified into net earnings, Hedge instruments	(2.9)	2.2	(1.0)
Income taxes reclassified into net earnings, Defined benefit postretirement plans	(3.6)	(3.1)	(2.7)
Income taxes reclassified into net earnings, Total	$ (6.5)	$ (0.9)	$ (3.7)