Represents the annual advisory fees as per agreement.

No definition available.

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

- Definition

Represents the annual agreement fees.

+ References

No definition available.

+ Details

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

- Definition

Represents the administration and service fees fee earned under the current and prior Services Agreements.

+ References

No definition available.

+ Details

Name:	coltdef_OtherPartyTransactionAdministrationAndServiceFeeEarnedAndReceived
Namespace Prefix:	coltdef_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the total net sale amount to the other party during the period.

+ References

No definition available.

+ Details

Name:	coltdef_OtherPartyTransactionNetSaleToOtherParty
Namespace Prefix:	coltdef_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Purchases during the period from other party.

+ References

No definition available.

+ Details

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

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

+ Details

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

- Details

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

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

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

- Details

Name:	us-gaap_CounterpartyNameAxis=coltdef_NewColtHoldingCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=coltdef_WestHartfordFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=coltdef_ConsultingServicesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=coltdef_ServicesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=coltdef_SciensManagementLLCAndSciensInstitutionalLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Transactions with Related Parties (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013	Jul. 31, 2013	Jul. 31, 2007
Transactions with Certain Other Parties
Annual advisory fees	$ 250	$ 108	$ 500	$ 216
New Colt
Transactions with Certain Other Parties
Net sales to New Colt		21,310		43,835
Purchases from New Colt		892		1,887
Administration and services fees charged to New Colt		442		883
West Hartford facility
Transactions with Certain Other Parties
Rent expense	210	206	421	412
Sciens Institutional and Sciens Management
Transactions with Certain Other Parties
Annual advisory fees	250	108	500	216
Consulting Agreement \| Sciens Institutional
Transactions with Certain Other Parties
Aggregate annual advisory fees						350
Aggregate annual fees of agreement					650
Archive Services Agreement \| Archives Properties
Transactions with Certain Other Parties
Aggregate annual fees of agreement					$ 241