Discontinued Operations and Divestitures Additional Information (Details) - USD ($) $ in Millions	3 Months Ended											12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Sep. 27, 2014	Mar. 29, 2014	Dec. 31, 2013	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Gain (loss) from sale / impairment of discontinued operations, net of tax	$ (21.4)	$ (22.9)	$ (10.1)	$ (15.6)	$ 555.4	$ (20.5)	$ (34.2)	$ (33.9)	$ (380.1)			$ (70.0)	$ 466.8	$ (244.0)
Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal									$ 12.3	$ 2.4	$ 0.3	0.0	0.0	$ 14.7
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax										$ (5.6)	$ (0.8)
Discontinued Operations, Disposed of by Sale [Member]
Business Acquisition [Line Items]
Proceeds from Divestiture of Businesses												3,150.0	$ 59.0
Discontinued Operations [Member]
Business Acquisition [Line Items]
Business Exit Costs												$ 24.2