Restructuring and Other Items, net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015	Dec. 31, 2014
Restructuring and Other Items, net [Abstract]
Reduction in workforce					10.00%
Annualized savings from restructuring program			$ 11.5
Restructuring and Other Charges [Abstract]
Restructuring Charges	$ 0.6	$ 5.2	11.8	$ 6.2
Impairment of Assets	0.0	5.3	18.5	21.1
Other	(2.9)	0.0	(2.9)	0.0
Total restructuring and other items, net	(2.3)	$ 10.5	27.4	$ 27.3
Restructuring Reserve [Roll Forward]
Restructuring liability, beginning of period			7.9
Additional provisions			11.8
Cash payments			(15.5)
Other			(0.3)
Restructuring liability, ending of period	$ 3.9		$ 3.9