Segment Reporting - Information by Operating Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Segment Reporting Information [Line Items]
Revenue, net	$ 456.8	$ 455.6	$ 931.0	$ 883.3
Depreciation and amortization	52.8	42.9	97.8	82.6
Operating income (loss)	(114.0)	21.5	(118.0)	22.2
Additions to property, plant and equipment	28.7	24.3	63.6	46.3
Total assets	3,653.7		3,653.7		$ 2,864.4
Segment assets	3,653.7		3,653.7		2,864.4
Assets of discontinued operations					526.5
Total assets	3,653.7		3,653.7		3,390.9
All Other
Segment Reporting Information [Line Items]
Revenue, net	0.0	0.0	0.0	7.2
Depreciation and amortization	0.5	0.0	0.6	0.1
Operating income (loss)	(11.8)	(9.4)	(39.0)	(24.2)
Additions to property, plant and equipment	(0.2)	0.1	(0.2)	0.2
Total assets	99.5		99.5		48.3
Segment assets	99.5		99.5		48.3
North America | Operating Segments
Segment Reporting Information [Line Items]
Revenue, net	363.9	323.5	714.6	621.6
Depreciation and amortization	38.0	29.1	68.6	55.8
Operating income (loss)	24.4	21.9	48.1	32.1
Additions to property, plant and equipment	25.2	18.9	48.9	35.9
Total assets	2,729.7		2,729.7		1,874.5
Segment assets	2,729.7		2,729.7		1,874.5
Rest of World | Operating Segments
Segment Reporting Information [Line Items]
Revenue, net	92.9	132.1	216.4	254.5
Depreciation and amortization	14.3	13.8	28.6	26.7
Operating income (loss)	(126.6)	9.0	(127.1)	14.3
Additions to property, plant and equipment	3.7	$ 5.3	14.9	$ 10.2
Total assets	824.5		824.5		941.6
Segment assets	$ 824.5		$ 824.5		$ 941.6