Name:	coltdef_DebtCovenantPeriodFollowingEachFiscalYearForAuditedFinancials
Namespace Prefix:	coltdef_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Ratio applied to the additional consent payment of debt instruments exchanged with additional consent payment divided by principal amount of exchanged debt.

No definition available.

Name:	coltdef_DebtInstrumentAdditionalConsentPaymentRatio
Namespace Prefix:	coltdef_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

The minimum percentage of the aggregate principal amount of debt held for which holders may provide notice to the borrower for non-compliance under the covenants of the debt instrument.

No definition available.

Name:	coltdef_DebtInstrumentCovenantMinimumPercentageOfAggregatePrincipalAmountHeldForWhichHoldersMayProvideNoticeOfNonCompliance
Namespace Prefix:	coltdef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The period from receipt of notice of non-compliance from holders that entity must cure debt before acceleration of repayment under the covenants of the debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	coltdef_DebtInstrumentCovenantPeriodFromReceiptOfNoticeByHoldersOfNonComplianceThatEntityMustCureBeforeAccelerationOfRepayment
Namespace Prefix:	coltdef_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Ratio applied to the exchange of debt instruments with principal amount of new debt divided by principal amount of exchanged debt.

No definition available.

Name:	coltdef_DebtInstrumentExchangeRatio
Namespace Prefix:	coltdef_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Minimum percentage of principal amount of debt tendered for exchange necessary for closing of exchange offer.

No definition available.

Name:	coltdef_DebtInstrumentMinimumPercentageOfPrincipalAmountOfDebtTenderedNecessaryForClosingOfDebtOffering
Namespace Prefix:	coltdef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of principal amount of debt tendered in exchange offer for similarity to debt restructuring under Chapter11 Bankruptcy petitions.

No definition available.

Name:	coltdef_DebtInstrumentPercentageOfPrincipalAmountOfDebtTendederedInExchangeOfferForSimilarityToDebtRestructuringUnderChapter11BankruptcyPetitions
Namespace Prefix:	coltdef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of principal amount of debt to be cancelled in exchange for pro rata share of new debt issuance under Chapter 11 bankruptcy petitions.

No definition available.

Name:	coltdef_DebtInstrumentPercentageOfPrincipalAmountOfDebtToBeCancelledInExchangeForProRataShareOfNewDebtIssuanceUnderChapter11BankruptcyPetitions
Namespace Prefix:	coltdef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of accrual of interest in cash.

No definition available.

Name:	coltdef_LineOfCreditFacilityRateOfAccrualOfInterestInCash
Namespace Prefix:	coltdef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of accrual of interest in kind.

No definition available.

Name:	coltdef_LineOfCreditFacilityRateOfAccrualOfInterestInKind
Namespace Prefix:	coltdef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the threshold minimum 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.

No definition available.

Name:	coltdef_LineOfCreditFacilityThresholdBorrowingCapacity
Namespace Prefix:	coltdef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the amount of net cash flow from contractual arrangement with the lender, after cash outflow for repayment of existing debt including interest payments and issuance costs.

No definition available.

Name:	coltdef_NetCashProceedsFromLoan
Namespace Prefix:	coltdef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.1)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: 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),2)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 7

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

Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

Contractual interest rate for funds borrowed, under the debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

The amount of cash paid for interest during the period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

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

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

No definition available.

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

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.

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

No definition available.

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

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

Name:	us-gaap_LongtermDebtTypeAxis=coltdef_TermLoanDueNovember152016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

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

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