XML 56 R68.htm IDEA: XBRL DOCUMENT v3.2.0.727

Commitments and Contingencies (Details) - Jun. 27, 2015 - USD ($) $ in Millions	Total
Loss Contingencies [Line Items]
Increase in lease obligations	$ 10.1
Government billing
Loss Contingencies [Line Items]
Reserve for estimated possible loss	$ 1.5

X

- Definition

Operating Leases, Future Minimum Payments, Due in Next Five Years, Increase

+ References

No definition available.

+ Details

Name:	crl_OperatingLeasesFutureMinimumPaymentsDueinNextFiveYearsIncrease
Namespace Prefix:	crl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 450



-SubTopic 20



-Section 50



-Paragraph 4



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 450



-SubTopic 20



-Section 50



-Paragraph 9



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=crl_GovernmentbillingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: