The number of collective bargaining agreements as of the balance sheet date.

No definition available.

Name:	crrc_CollectiveBargainingArrangementsNumber
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- Definition

Represents the percentage of employer contribution to total contribution of pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

Name:	crrc_MultiemployerPlanEmployerContributionAsPercentageOfTotalContribution
Namespace Prefix:	crrc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of additional contributing employers under a multiemployer plan. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

Name:	crrc_MultiemployerPlanNumberOfContributingEmployers
Namespace Prefix:	crrc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of pension or postretirement benefit plans to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

Name:	crrc_MultiemployerPlanNumberOfPlans
Namespace Prefix:	crrc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Remaining contractual term for collective bargaining arrangement requiring contributions to the multiemployer plan.

+ References

No definition available.

+ Details

Name:	crrc_MultiemployerPlansCollectiveBargainingArrangementExpiration
Namespace Prefix:	crrc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the funded percentage of underfunded multiemployer plan which is identified as critical "red" under Pension Protection Act. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

Name:	crrc_MultiemployerPlanUnderfundedStatusOfCriticalRedPercentage
Namespace Prefix:	crrc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Definition

Amount of minimum contribution(s) required for future periods to a multiemployer plan by collective bargaining arrangements, statutory obligations, or other contractual obligations. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 5

-Subparagraph (f)(3)

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947

+ Details

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

MULTI-EMPLOYER PENSION PLANS (Details) (USD $)	6 Months Ended			0 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended
MULTI-EMPLOYER PENSION PLANS (Details) (USD $)	Mar. 30, 2013 Multi-employer pension plan item	Mar. 30, 2013 Multi-employer pension plan Minimum item	Mar. 30, 2013 Multi-employer pension plan Maximum	Jan. 06, 2013 Bindery Industry Employers GCC/IBT Pension Plan	Sep. 29, 2012 Bindery Industry Employers GCC/IBT Pension Plan	Sep. 24, 2011 Bindery Industry Employers GCC/IBT Pension Plan	Sep. 25, 2010 Bindery Industry Employers GCC/IBT Pension Plan	Mar. 30, 2013 Bindery Industry Employers GCC/IBT Pension Plan item	May 02, 2013 GCIU - Employer Retirement Benefit Plan	Sep. 29, 2012 GCIU - Employer Retirement Benefit Plan Maximum	Sep. 24, 2011 GCIU - Employer Retirement Benefit Plan Maximum	Sep. 25, 2010 GCIU - Employer Retirement Benefit Plan Maximum
Multi-employer pension plan
Number of plans	2
Number of contributing employers		2						3
Number of collective bargaining agreements	2	1
Percentage of employer's contribution					70.00%	70.00%	70.00%			5.00%	5.00%	5.00%
Employer contributions	$ 373,000
Percentage of under funded plan with status of critical "red"			65.00%
Contract term of the plan				5 years					5 years