Accumulated Other Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Foreign currency translation adjustments
Beginning Balance, December 31, 2013	$ 181.1
Comprehensive income (loss) before reclassifications	(3.8)
Income taxes associated with comprehensive income (loss) before reclassifications	0
Reclassification from accumulated other comprehensive income (loss)	0
Income taxes reclassified into net earnings	0
Ending Balance March 31, 2014	177.3
Hedge instruments
Beginning Balance, December 31, 2013	(16.0)
Comprehensive income (loss) before reclassifications	(2.8)
Income taxes associated with comprehensive income (loss) before reclassifications	1.4
Reclassification from accumulated other comprehensive income (loss)	0.9
Income taxes reclassified into net earnings	(0.1)
Ending Balance March 31, 2014	(16.6)
Defined benefit postretirement plans
Beginning Balance, December 31, 2013	(181.5)
Comprehensive income (loss) before reclassifications	0
Income taxes associated with comprehensive income (loss) before reclassifications	0
Reclassification from accumulated other comprehensive income (loss)	0.8
Income taxes reclassified into net earnings	(0.9)
Ending Balance March 31, 2014	(181.6)
Other
Beginning Balance, December 31, 2013	2.4
Comprehensive income (loss) before reclassifications	(0.1)
Income taxes associated with comprehensive income (loss) before reclassifications	0
Reclassification from accumulated other comprehensive income (loss)	0
Income taxes reclassified into net earnings	0
Ending Balance March 31, 2014	2.3
Total
Beginning Balance, December 31, 2013	(14.0)
Comprehensive income (loss) before reclassifications	(6.7)
Income taxes associated with comprehensive income (loss) before reclassifications	1.4
Reclassification from accumulated other comprehensive income (loss)	1.7
Income taxes reclassified into net earnings	(1.0)
Ending Balance June 30, 2014	$ (18.6)