v3.25.3

PROPERTY, PLANT AND EQUIPMENT, NET - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024	Dec. 29, 2024	Dec. 28, 2024
Property, Plant and Equipment [Line Items]
Depreciation	$ 44,800	$ 48,500	$ 132,500	$ 141,800
Net income available to Charles River Laboratories International, Inc. common shareholders	$ 54,422	$ 68,679	$ 132,217	$ 225,996
Basic (in dollars per share)	$ 1.11	$ 1.34	$ 2.66	$ 4.39
Diluted (in dollars per share)	$ 1.10	$ 1.33	$ 2.65	$ 4.37
Disposal Group, Held-for-Sale, Not Discontinued Operations
Property, Plant and Equipment [Line Items]
Assets held for sale	$ 20,000		$ 20,000
Service Life
Property, Plant and Equipment [Line Items]
Depreciation	(4,500)		(13,600)
Net income available to Charles River Laboratories International, Inc. common shareholders	$ 3,400		$ 10,300
Basic (in dollars per share)	$ 0.07		$ 0.21
Diluted (in dollars per share)	$ 0.07		$ 0.21
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life					7 years	5 years
Building Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life					15 years	10 years

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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CHARLES RIVER LABORATORIES INTERNATIONAL, INC. 10-Q