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Contingent Consideration Term in Years; Maximum number of years contingent consideration may be paid

No definition available.

Name:	ravn_ContingentConsiderationTerminYears
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Reduction in fair value of contingent consideration liability: Adjustment to contingent consideration liability, other than from payments

No definition available.

Name:	ravn_Reductioninfairvalueofcontingentconsiderationliability
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Variable Interest Entity Disclosure [Abstract]

No definition available.

Name:	ravn_VariableInterestEntityDisclosureAbstract
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Variable Interest Entity, acquisition date equity method investment: The date the Company acquired equity interest in a VIE

No definition available.

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Variable Interest Entity, name of investee equity method investment: The name of the investee whose equity securities the Company acquired.

No definition available.

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

No definition available.

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Name of the acquired entity.

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

No definition available.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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- References

No definition available.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Data Type:	num:percentItemType
Balance Type:	na
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