Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jul. 03, 2016	Apr. 03, 2016	Jun. 28, 2015	Mar. 29, 2015	Jul. 03, 2016	Jun. 28, 2015
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period		$ (128.2)			$ (128.2)
Change in period	$ (20.8)		$ 18.6		3.4	$ (46.3)
Reversal of foreign currency translation	(6.9)				(6.9)
Balance at the end of the period	(124.8)				(124.8)
After-tax gain on sale of business					8.3
Foreign Currency Translation
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(103.8)	(128.2)	(118.1)	$ (53.0)	(128.2)	(53.0)
Change in period	(12.2)	24.4	18.4	(65.1)
Reversal of foreign currency translation	(6.9)
Balance at the end of the period	(122.9)	(103.8)	(99.7)	(118.1)	(122.9)	(99.7)
Pension Adjustment
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(35.9)	(36.1)		(36.1)
Change in period			0.2	0.2
Balance at the end of the period			(35.7)	(35.9)		(35.7)
Interest rate swap
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(0.2)
Change in period	(1.7)	(0.2)
Balance at the end of the period	(1.9)	(0.2)			(1.9)
Accumulated Other Comprehensive Income (Loss)
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(104.0)	(128.2)	(154.0)	(89.1)	(128.2)	(89.1)
Change in period	(13.9)	24.2	18.6	(64.9)
Reversal of foreign currency translation	(6.9)
Balance at the end of the period	$ (124.8)	$ (104.0)	$ (135.4)	$ (154.0)	(124.8)	$ (135.4)
China Operating Subsidiary | Sale of business
Changes in accumulated other comprehensive income (loss)
After-tax gain on sale of business					$ 8.3