Shareholders' Equity (Details 4) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance at beginning	$ 1,239.6	$ 1,416.0
Balance at end	1,261.3	1,239.6
Accumulated Other Comprehensive Earnings (Loss)
Balance at the beginning of the period	(522.1)
Balance at the end of the period	(639.9)	(522.1)
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance at beginning	(18.4)	180.7
Other comprehensive earnings (loss) before reclassifications	(165.1)	(199.1)
Balance at end	(183.5)	(18.4)
Pension and Other Postretirement Benefits (Net of Tax)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance at beginning	(499.9)	(391.8)
Other comprehensive earnings (loss) before reclassifications	25.4	(159.4)
Amounts reclassified from accumulated other comprehensive earnings (loss)	29.6	51.3
Balance at end	(444.9)	(499.9)
Effective Derivatives (Net of Tax)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance at beginning	(3.8)	(38.8)
Other comprehensive earnings (loss) before reclassifications	(18.2)	4.3
Amounts reclassified from accumulated other comprehensive earnings (loss)	10.5	30.7
Balance at end	(11.5)	(3.8)
AOCI Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance at beginning	(522.1)	(249.9)
Other comprehensive earnings (loss) before reclassifications	(157.9)	(354.2)
Amounts reclassified from accumulated other comprehensive earnings (loss)	40.1	82.0
Balance at end	$ (639.9)	$ (522.1)