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Represents the percent of eligible inventory used in determining the the maximum borrowing amount under the credit facility agreement.

No definition available.

Name:	crawa_LineOfCreditFacilityPercentOfEligibleInventory
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Represents the percent of eligible progress billing accounts used in determining the the maximum borrowing amount under the credit facility agreement.

No definition available.

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

No definition available.

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Amount of the required periodic payments including both interest and principal payments.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

No definition available.

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
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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.

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Data Type:	xbrli:monetaryItemType
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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Data Type:	xbrli:monetaryItemType
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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Name:	us-gaap_LongtermDebtTypeAxis=crawa_TermDebtMember
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Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
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Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
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