XML 65 R53.htm IDEA: XBRL DOCUMENT v3.7.0.1

Long-Term Debt and Capital Lease Obligations - Additional Information (Details)	Mar. 30, 2016 USD ($) payment	Apr. 01, 2017 USD ($)	Dec. 31, 2016 USD ($)	Mar. 29, 2016 USD ($)
Debt Instrument [Line Items]
Weighted average interest rate		2.07%	1.89%
Credit facility	$ 1,650,000,000.00			$ 1,300,000,000.0
Capitalized debt issuance costs	3,300,000
Expensed debt issuance costs	1,400,000
Maximum borrowing capacity, term loan and line of credit facility, potential increase available	$ 500,000,000
Credit facility
Debt Instrument [Line Items]
Minimum EBITDA less capital expenditures to consolidated cash interest expense ratio	3.50
Maximum consolidated indebtedness to consolidated EBITDA	4.25
Maximum consolidated indebtedness to consolidated EBITDA, with step-downs	3.50
Other Capital Lease Obligations
Debt Instrument [Line Items]
Other capital lease obligations		$ 30,300,000	$ 29,900,000
Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding		$ 4,900,000	$ 4,900,000
Federal Funds Rate
Debt Instrument [Line Items]
Interest rate	0.50%
LIBOR
Debt Instrument [Line Items]
Interest rate	1.00%
Term Loan Facility
Debt Instrument [Line Items]
Credit facility	$ 650,000,000.0
Number of quarterly installment payments | payment	19
Multi-currency Revolving Facility
Debt Instrument [Line Items]
Credit facility	$ 1,000,000,000.0

X

- Definition

Debt Instrument, Covenant, Consolidated Indebtedness to Consolidated EBITDA, Stepdown, Maximum

+ References

No definition available.

+ Details

Name:	crl_DebtInstrumentCovenantConsolidatedIndebtednessToConsolidatedEBITDAStepdownMaximum
Namespace Prefix:	crl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Debt Instrument, Covenant, Consolidated Indebtedness to Consolidated EBITDA, Maximum

+ References

No definition available.

+ Details

Name:	crl_DebtInstrumentCovenantConsolidatedIndebtednesstoConsolidatedEBITDAMaximum
Namespace Prefix:	crl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Debt Instrument, Covenant, EBITDA Less Capital Expenditures to Consolidated Cash Interest Expense Ratio, Minimum

+ References

No definition available.

+ Details

Name:	crl_DebtInstrumentCovenantEBITDALessCapitalExpenditurestoConsolidatedCashInterestExpenseRatioMinimum
Namespace Prefix:	crl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Maximum Borrowing Capacity, Term Loan and Line of Credit Facility, Potential Increase Available

+ References

No definition available.

+ Details

Name:	crl_MaximumBorrowingCapacityTermLoanandLineofCreditFacilityPotentialIncreaseAvailable
Namespace Prefix:	crl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of Quarterly Installment Payments

+ References

No definition available.

+ Details

Name:	crl_NumberofQuarterlyInstallmentPayments
Namespace Prefix:	crl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_CapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

+ Details

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

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ 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 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=crl_OtherCapitalLeaseObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: