Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Pay vs Performance Disclosure
Net income available to Charles River Laboratories International, Inc.	$ 94,081	$ 97,020	$ 167,041	$ 200,151

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details