Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2016	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Dec. 31, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period				$ (128.2)
Balance at the end of the period	$ (150.8)				$ (128.2)
Foreign Currency Translation
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(119.6)	$ (122.9)	$ (103.8)	(128.2)	(105.5)	$ (99.7)	$ (118.1)	$ (53.0)
Change in period	(34.1)	3.3	(19.1)	24.4	(22.7)	(5.8)	18.4	(65.1)
Balance at the end of the period	(153.7)	(119.6)	(122.9)	(103.8)	(128.2)	(105.5)	(99.7)	(118.1)
Pension Adjustment
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period						(35.7)	(35.9)	(36.1)
Change in period						35.7	0.2	0.2
Balance at the end of the period							(35.7)	(35.9)
Interest rate swaps
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(0.6)	(1.9)	(0.2)
Change in period	3.5	1.3	(1.7)	(0.2)
Balance at the end of the period	2.9	(0.6)	(1.9)	(0.2)
Accumulated Other Comprehensive Income (Loss)
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(120.2)	(124.8)	(104.0)	(128.2)	(105.5)	(135.4)	(154.0)	(89.1)
Change in period	(30.6)	4.6	(20.8)	24.2	(22.7)	29.9	18.6	(64.9)
Balance at the end of the period	$ (150.8)	$ (120.2)	$ (124.8)	$ (104.0)	$ (128.2)	$ (105.5)	$ (135.4)	$ (154.0)