XML 92 R81.htm IDEA: XBRL DOCUMENT
v3.19.1

LEASES - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 30, 2019 | Dec. 30, 2018 | Dec. 29, 2018
Lessor, Lease, Description [Line Items] |  |  |
Derecognition of leased properties recorded in property, plant and equipment | $ (907,367) | $ (909,429) | $ (932,877)
Derecognition of other debt associated with leased properties | (1,540,833) | (1,610,415) | $ (1,636,598)
Future minimum lease payments for leases that have not yet commenced | $ 27,900 |  |
Minimum |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Operating lease renewal term | 1 year |  |
Terms for leases that have not yet commenced | 3 years |  |
Maximum |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Operating lease renewal term | 5 years |  |
Terms for leases that have not yet commenced | 11 years |  |
Accounting Standards Update 2016-02 |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Derecognition of leased properties recorded in property, plant and equipment |  | 23,448 |
Derecognition of other debt associated with leased properties |  | 26,183 |
Build-To-Suit Lease | Accounting Standards Update 2016-02 |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Derecognition of leased properties recorded in property, plant and equipment |  | 26,000 |
Derecognition of other debt associated with leased properties |  | $ 26,000 |

X
- Definition Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount + References No definition available. + Details
Name: | crl_LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount
Namespace Prefix: | crl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee, Renewal Term + References No definition available. + Details
Name: | crl_LesseeRenewalTerm
Namespace Prefix: | crl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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_LessorLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | crl_LeaseArrangementsAxis=crl_BuildToSuitLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |