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Goodwill - Changes in Goodwill - (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 445.4	$ 100.3
Adjustments to goodwill from purchase price allocation	(18.2)	347.8
Foreign currency translation adjustment	(19.5)	(2.7)
Goodwill, end of period	407.7	445.4
Sound United Acquisition
Goodwill [Roll Forward]
Adjustments to goodwill from purchase price allocation	(7.8)
Healthcare
Goodwill [Roll Forward]
Goodwill, beginning of period	97.6	100.3
Adjustments to goodwill from purchase price allocation	0.0	0.0
Foreign currency translation adjustment	1.0	(2.7)
Goodwill, end of period	98.6	97.6
Non-healthcare
Goodwill [Roll Forward]
Goodwill, beginning of period	347.8	0.0
Adjustments to goodwill from purchase price allocation	(18.2)	347.8
Foreign currency translation adjustment	(20.5)	0.0
Goodwill, end of period	$ 309.1	$ 347.8

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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