Income Tax Unrecognized Tax Benefit (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended			3 Months Ended	12 Months Ended
	Sep. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 29, 2012	Jun. 30, 2014	Dec. 31, 2015
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Increase (decrease) in unrecognized tax benefits, current			$ 25.6
Income Tax Expense (Benefit), Litigation Settlement		(18.5)	(34.9)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year		137.9	137.9	109.2	104.4
Additions for tax positions related to the current year			2.2	3.7	9.9
Additions for tax positions of prior years			20.4	59.2	8.6
Reductions for tax positions of prior years			(19.4)	(3.2)	(0.1)
Settlements			(55.4)	(2.6)	(0.9)
Release due to statute expiration and legislative changes	(6.3)		(18.4)	(24.9)	(14.4)
Foreign currency adjustment			(7.5)	(3.5)	1.7
Balance at end of year			59.8	137.9	109.2
Foreign Tax Authority
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Release due to statute expiration and legislative changes			(16.2)
Restatement Adjustment
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Increase (decrease) in unrecognized tax benefits, current						19.3
Prior period reclassification adjustment						14.4
Forecast | Minimum
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Settlements							(9.0)
Forecast | Maximum
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Settlements							$ (14.0)