Goodwill And Intangible Assets (Schedule of Accumulated Amortization) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization Beginning balance	$ 300.8
Amortization	62.0	$ 63.9	$ 46.7
Translation Adjustments	(3.7)
Accumulated Amortization, Ending balance	359.1	300.8
Intangible Assets, Net of Amortization, Beginning balance	777.8
Intangible Assets, Net of Amortization, Ending balance	711.7	777.8
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization Beginning balance	161.4
Amortization	42.6
Translation Adjustments	(2.4)
Accumulated Amortization, Ending balance	201.6	161.4
Technology
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization Beginning balance	92.9
Amortization	17.4
Translation Adjustments	(0.8)
Accumulated Amortization, Ending balance	109.5	92.9
Trademarks
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization Beginning balance	21.8
Amortization	1.9
Translation Adjustments	(0.4)
Accumulated Amortization, Ending balance	23.3	21.8
Patent and Engineering Drawings
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization Beginning balance	16.6
Amortization	0.0
Translation Adjustments	0.0
Accumulated Amortization, Ending balance	16.6	16.6
Non-compete Agreements
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization Beginning balance	8.1
Amortization	0.1
Translation Adjustments	(0.1)
Accumulated Amortization, Ending balance	$ 8.1	$ 8.1