Accounting Policies Schedule of Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Mar. 31, 2014	Sep. 30, 2015	Sep. 30, 2014	Feb. 12, 2015	Dec. 31, 2014
Venezuela foreign currency devaluation				88.00%			70.00%
Exchange rate net charges, total		$ (3.0)		$ 42.0
Exchange rate net charges on other expense, net		(4.0)		54.0
Exchange rate net charges on income taxes		1.0		(12.0)
Venezuelan non-monetary assets remeasurement in operating profit	$ 6.0		$ 2.0		$ 17.0	$ 20.0
Charge for Venezuelan non-monetary assets to their net realizable value		11.0		$ 116.0
Impairment of Venezuela long-lived assets		90.0
Property, plant and equipment at carrying value	$ 948.3				$ 948.3			$ 1,231.0
Repayments of debt [Member]
Prior Period Reclassification Adjustment						25.3
Income tax receivables [Member]
Prior Period Reclassification Adjustment						(7.8)
Proceeds from debt [Member]
Prior Period Reclassification Adjustment						9.1
Debt, net [Member]
Prior Period Reclassification Adjustment						$ 16.2
VENEZUELA
Property, plant and equipment at carrying value		$ 15.7