Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 26, 2021	Jun. 27, 2021	Mar. 28, 2021	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			$ (100.0)
Balance at the end of the period	$ (117.1)
Foreign Currency Translation
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(108.2)	$ (114.0)	(99.9)	$ (137.8)	$ (147.8)	$ (131.3)
Change in period	(8.4)	5.8	(14.1)	14.3	10.0	(16.5)
Balance at the end of the period	(116.6)	(108.2)	(114.0)	(123.5)	(137.8)	(147.8)
Cash Flow Hedge
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(1.0)	(0.2)	(0.1)	(0.7)	(0.4)	0.5
Change in period	0.5	(0.8)	(0.1)	0.1	(0.3)	(0.9)
Balance at the end of the period	(0.5)	(1.0)	(0.2)	(0.6)	(0.7)	(0.4)
Accumulated Other Comprehensive Income (Loss)
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period	(109.2)	(114.2)	(100.0)	(138.5)	(148.2)	(130.8)
Change in period	(7.9)	5.0	(14.2)	14.4	9.7	(17.4)
Balance at the end of the period	$ (117.1)	$ (109.2)	$ (114.2)	$ (124.1)	$ (138.5)	$ (148.2)