Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020
Income Statement [Abstract]
Net revenue	$ 522.5	$ 451.1	$ 1,521.8	$ 1,249.6
Cost of revenue, excluding amortization of intangible assets	252.4	234.1	748.7	650.2
Gross profit	270.1	217.0	773.1	599.4
Selling, marketing and administrative expenses	140.9	121.0	411.0	347.9
Research and development expense	32.1	32.7	91.3	82.1
Amortization of intangible assets	33.3	33.1	100.3	98.7
Other operating expense, net	9.8	9.5	27.7	22.8
Income from operations	54.0	20.7	142.8	47.9
Interest expense, net	36.1	48.9	112.5	148.6
Tax indemnification (income) expense, net	(0.2)	16.5	(0.6)	11.6
Other (income) expense, net	(2.6)	(5.9)	50.8	61.1
Income (loss) before income taxes	20.7	(38.8)	(20.0)	(173.4)
Provision for (benefit from) income taxes	6.0	(10.3)	24.4	(2.4)
Net income (loss)	$ 14.7	$ (28.5)	$ (44.4)	$ (171.0)
Basic net income (loss) per ordinary share	$ 0.06	$ (0.20)	$ (0.20)	$ (1.17)
Basic weighted-average ordinary shares outstanding	235.6	146.4	225.4	146.4
Diluted net income (loss) per ordinary share	$ 0.06	$ (0.20)	$ (0.20)	$ (1.17)
Diluted weighted-average ordinary shares outstanding	242.8	146.4	225.4	146.4