XML 51 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9

Segment Information - Revenue and Other Financial Information by Reportable Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Segment Reporting Information [Line Items]
Revenue	$ 320,414us-gaap_Revenues	$ 299,368us-gaap_Revenues
Operating income	43,005us-gaap_OperatingIncomeLoss	39,706us-gaap_OperatingIncomeLoss
Depreciation and amortization	22,368us-gaap_DepreciationDepletionAndAmortization	20,050us-gaap_DepreciationDepletionAndAmortization
Capital expenditures	10,648us-gaap_PaymentsToAcquireProductiveAssets	11,190us-gaap_PaymentsToAcquireProductiveAssets
Research Models and Services
Segment Reporting Information [Line Items]
Revenue	120,011us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember	132,495us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Gross margin	45,804us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember	51,647us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Operating income	28,845us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember	35,444us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Depreciation and amortization	6,045us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember	6,441us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Capital expenditures	2,733us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember	4,099us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Discovery and Safety Assessment
Segment Reporting Information [Line Items]
Revenue	140,012us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember	105,138us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Gross margin	43,683us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember	25,659us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Operating income	23,516us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember	11,713us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Depreciation and amortization	11,139us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember	8,142us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Capital expenditures	5,378us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember	4,036us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Manufacturing Support
Segment Reporting Information [Line Items]
Revenue	60,391us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember	61,735us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Gross margin	30,173us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember	31,507us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Operating income	16,798us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember	18,416us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Depreciation and amortization	3,286us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember	3,628us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Capital expenditures	$ 1,566us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember	$ 2,264us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_GrossProfit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=crl_DiscoveryandSafetyAssessmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=crl_ManufacturingSupportMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=crl_ResearchModelsAndServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: