Shareholders' Equity and Comprehensive Earnings (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2012
Accumulated Other Comprehensive Earnings (Loss)
Balance at the beginning of the period	$ (249.9)	$ (265.7)	$ (362.1)
Other comprehensive earnings (loss) before reclassifications	(26.5)
Amounts reclassified from accumulated other comprehensive earnings (loss)	23.3
Balance at the end of the period	(253.1)	(265.7)	(362.1)
Foreign Currency Translation
Accumulated Other Comprehensive Earnings (Loss)
Balance at the beginning of the period	180.7
Other comprehensive earnings (loss) before reclassifications	(30.6)
Balance at the end of the period	150.1
Pension and Other Postretirement Benefits (Net of Tax)
Accumulated Other Comprehensive Earnings (Loss)
Balance at the beginning of the period	(391.8)
Other comprehensive earnings (loss) before reclassifications	0.2
Amounts reclassified from accumulated other comprehensive earnings (loss)	10.7
Balance at the end of the period	(380.9)
Effective Derivatives (Net of Tax)
Accumulated Other Comprehensive Earnings (Loss)
Balance at the beginning of the period	(38.8)
Other comprehensive earnings (loss) before reclassifications	3.9
Amounts reclassified from accumulated other comprehensive earnings (loss)	12.6
Balance at the end of the period	$ (22.3)