Segment and Geographic Information - Net Revenue by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020
Segment Reporting Information [Line Items]
Revenue recognized	$ 522.5	$ 451.1	$ 1,521.8	$ 1,249.6
Other
Segment Reporting Information [Line Items]
Revenue recognized	63.2	55.6	195.1	163.2
Reportable Segment
Segment Reporting Information [Line Items]
Revenue recognized	459.3	395.5	1,326.8	1,086.3
Reportable Segment | Americas
Segment Reporting Information [Line Items]
Revenue recognized	306.5	264.2	924.2	755.8
Reportable Segment | EMEA
Segment Reporting Information [Line Items]
Revenue recognized	67.2	58.6	203.5	168.2
Reportable Segment | Greater China
Segment Reporting Information [Line Items]
Revenue recognized	$ 85.6	$ 72.7	$ 199.1	$ 162.3