Accumulated Other Comprehensive Income (Reclassifications out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Dec. 31, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other									$ (390.8)	$ (410.0)	$ (429.2)
Net income (loss) attributable to Company common shareholders	$ (47.9)	$ (29.0)	$ (6.9)	$ (38.1)	$ (163.2)	$ (124.2)	$ (24.8)	$ (315.4)	(121.9)	(627.6)	$ (18.1)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other									0.0	(1.2)
Net income (loss) attributable to Company common shareholders									20.5	(7.9)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Currency Translation [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Sale of subsidiaries from continuing operations									11.4	0.0
Sale of subsidiaries from discontinued operations									20.9	3.6
Total - Foreign Currency Items									32.3	3.6
Reclassification out of Accumulated Other Comprehensive Income [Member] | Change of Fair Value of Pension Benefit Obligation [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior service cost									(0.6)	(1.2)
Net loss									(13.7)	(9.1)
Transfers									2.5	0.0
Total - Pension Items									$ 11.8	$ 10.3