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Acquisitions and Equity Method Investment - Fair Value Of Intangible Assets (Details) - USD ($) $ in Thousands	Jan. 02, 2023	Jun. 01, 2021
PharmaLex Acquisition
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 558,898
PharmaLex Acquisition \| Customer relationships
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 522,634
Weighted-Average Useful Life	12 years
PharmaLex Acquisition \| Trade names
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 30,931
Weighted-Average Useful Life	5 years
PharmaLex Acquisition \| Software technology
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 5,333
Weighted-Average Useful Life	6 years
WBA Alliance Healthcare
Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 3,735,000
WBA Alliance Healthcare \| Customer relationships
Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 3,327,000
Weighted-Average Useful Life		18 years
WBA Alliance Healthcare \| Trade names
Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 408,000
Weighted-Average Useful Life		11 years