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Segment and Enterprise Reporting - Schedule of Segment Reporting Information, by Segment (Detail) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023 USD ($)	Jul. 02, 2022 USD ($)	Jul. 01, 2023 USD ($) segment	Jul. 02, 2022 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment			2
Number of reportable segments | segment			2
Segment Reporting Information [Line Items]
Total revenue by segment	$ 455.3	$ 565.3	$ 1,020.3	$ 869.5
Gross profit:	221.2	258.2	506.0	462.9
Depreciation and amortization	25.1	70.9	51.3	79.9
Operating Segments
Segment Reporting Information [Line Items]
Total revenue by segment	455.3	565.3	1,020.3	869.5
Segment Reconciling Items
Segment Reporting Information [Line Items]
Gross profit:	(6.3)	(51.1)	(14.1)	(51.8)
Healthcare
Segment Reporting Information [Line Items]
Depreciation and amortization	9.3	9.1	18.4	18.1
Healthcare | Operating Segments
Segment Reporting Information [Line Items]
Total revenue by segment	281.1	357.0	627.8	661.2
Gross profit:	169.0	236.7	383.8	442.1
Non-healthcare
Segment Reporting Information [Line Items]
Depreciation and amortization	15.8	61.8	32.9	61.8
Non-healthcare | Operating Segments
Segment Reporting Information [Line Items]
Total revenue by segment	174.2	208.3	392.5	208.3
Gross profit:	$ 58.5	$ 72.6	$ 136.3	$ 72.6

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