XML 81 R70.htm IDEA: XBRL DOCUMENT
v3.10.0.1

EQUITY AND NONCONTROLLING INTEREST - Redeemable Noncontrolling Interest, Additional Information (Details) $ in Millions | Jun. 30, 2018 USD ($)
--- | ---
Investment [Line Items] |
Contractually defined redemption value | $ 17.1
Vital River |
Investment [Line Items] |
Noncontrolling interest ownership percentage | 13.00%

X
- References No definition available. + Details
Name: | invest_InvestmentLineItems
Namespace Prefix: | invest_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 24(b) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
Name: | us-gaap_RedeemableNoncontrollingInterestEquityRedemptionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_OwnershipAxis=crl_VitalRiverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |