Segment and Geographic Information - Net Revenue by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Segment Reporting Information [Line Items]
Net Revenue	$ 492.5	$ 390.5	$ 999.3	$ 798.5
Other
Segment Reporting Information [Line Items]
Net Revenue	69.9	55.2	131.8	107.6
Reportable Segment
Segment Reporting Information [Line Items]
Net Revenue	422.6	335.4	867.5	690.9
Reportable Segment | Americas
Segment Reporting Information [Line Items]
Net Revenue	296.3	241.1	617.7	491.7
Reportable Segment | EMEA
Segment Reporting Information [Line Items]
Net Revenue	67.8	51.0	136.3	109.6
Reportable Segment | Greater China
Segment Reporting Information [Line Items]
Net Revenue	$ 58.5	$ 43.3	$ 113.5	$ 89.6