Supplemental Guarantor Condensed Financial Information (Intercompany Cash And Non-Cash Transactions) (Details) - Parent Company [Member] - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Apr. 01, 2016	Dec. 31, 2015
Related Party [Roll Forward]
Beginning Balance	$ 1,114.5	$ 1,280.8
Deferred tax	0.0	(19.9)
Equity based awards	2.1	11.7
Foreign currency and other	0.0	0.2
Cash transactions	(13.9)	(158.3)
Ending Balance	$ 1,102.7	$ 1,114.5