Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Income Statement [Abstract]
Net revenue	$ 2,042.8	$ 1,766.2	$ 1,801.5
Cost of revenue	1,006.8	908.2	922.4
Selling, marketing and administrative expenses	555.0	489.6	515.1
Research and development expense	126.2	112.9	98.0
Amortization of intangible assets	133.4	131.9	131.7
Other operating expense, net	47.5	35.3	48.8
Income from operations	173.9	88.3	85.5
Interest expense, net	146.0	198.2	231.4
Tax indemnification expense	0.8	31.2	29.2
Other expense, net	53.1	84.2	5.7
Loss before provision for (benefit from) income taxes	(26.0)	(225.3)	(180.8)
Provision for (benefit from) income taxes	28.3	(13.4)	(23.9)
Net loss	$ (54.3)	$ (211.9)	$ (156.9)
Basic and diluted net loss per ordinary share	$ (0.24)	$ (1.45)	$ (1.08)
Basic and diluted weighted-average ordinary shares outstanding	228.2	146.3	145.5