v3.26.1
INVENTORY - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
6 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Inventory Disclosure [Abstract]
Amortization of inventory step up
$ 1.5
$ 4.2
$ 1.5
$ 10.4
X
- Definition
Amortization Of Inventory Step Up
+ References
No definition available.
+ Details
Name:
crl_AmortizationOfInventoryStepUp
Namespace Prefix:
crl_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_InventoryDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration