XML 77 R51.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Goodwill and Other Intangible Assets - Gross Carrying Amount and Accumulated Amortization of Goodwill (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 28, 2015
Changes in gross carrying amount and accumulated amortization of goodwill |
Gross carrying amount, balance at the beginning of the period | $ 321,077 us-gaap_GoodwillGross
Adjustments to Goodwill, Acquisitions | (437)us-gaap_GoodwillAcquiredDuringPeriod
Adjustments to Goodwill, Foreign Exchange | (7,481)crl_GoodwillGrossTranslationAndOtherAdjustments
Gross carrying amount, balance at the end of the period | 313,159 us-gaap_GoodwillGross
Research Models and Services |
Changes in gross carrying amount and accumulated amortization of goodwill |
Gross carrying amount, balance at the beginning of the period | 59,196 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Adjustments to Goodwill, Acquisitions | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Adjustments to Goodwill, Foreign Exchange | (411)crl_GoodwillGrossTranslationAndOtherAdjustments / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Gross carrying amount, balance at the end of the period | 58,785 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = crl_ResearchModelsAndServicesMember
Discovery and Safety Assessment |
Changes in gross carrying amount and accumulated amortization of goodwill |
Gross carrying amount, balance at the beginning of the period | 229,302 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Adjustments to Goodwill, Acquisitions | (624)us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Adjustments to Goodwill, Foreign Exchange | (5,547)crl_GoodwillGrossTranslationAndOtherAdjustments / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Gross carrying amount, balance at the end of the period | 223,131 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = crl_DiscoveryandSafetyAssessmentMember
Manufacturing Support |
Changes in gross carrying amount and accumulated amortization of goodwill |
Gross carrying amount, balance at the beginning of the period | 32,579 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Adjustments to Goodwill, Acquisitions | 187 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Adjustments to Goodwill, Foreign Exchange | (1,523)crl_GoodwillGrossTranslationAndOtherAdjustments / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember
Gross carrying amount, balance at the end of the period | $ 31,243 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = crl_ManufacturingSupportMember

X
- Definition The increase or decrease to the recorded value of goodwill due to foreign currency translation adjustments and other increases and decreases that are not separately disclosed. + References No definition available. + Details
Name: | crl_GoodwillGrossTranslationAndOtherAdjustments
Namespace Prefix: | crl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_GoodwillRollForward
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: |