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Goodwill - Changes in Goodwill - (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 100.3	$ 103.2
Increase from business combinations	347.8	0.0
Adjustments to goodwill from purchase price allocation	0.0	0.0
Foreign currency translation adjustment	(2.7)	(2.9)
Goodwill, end of period	445.4	100.3
Healthcare
Goodwill [Roll Forward]
Goodwill, beginning of period	100.3	103.2
Increase from business combinations	0.0	0.0
Foreign currency translation adjustment	(2.7)	(2.9)
Goodwill, end of period	97.6	100.3
Non-healthcare
Goodwill [Roll Forward]
Goodwill, beginning of period	0.0	0.0
Increase from business combinations	347.8	0.0
Foreign currency translation adjustment	0.0	0.0
Goodwill, end of period	$ 347.8	$ 0.0

X

- Definition

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.

+ References

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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+ References

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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.

+ References

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