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

No definition available.

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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.

Name:	ravn_VariableInterestEntityacquisitiondateequitymethodinvestment
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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.

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

No definition available.

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Data Type:	xbrli:dateItemType
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Name of the acquired entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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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
-Name Accounting Standards Codification
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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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Name:	us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
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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.

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

No definition available.

Name:	us-gaap_BusinessCombinationDescriptionAbstract
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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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	num:percentItemType
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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitment
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Data Type:	xbrli:monetaryItemType
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Name:	us-gaap_BusinessAcquisitionAxis=ravn_SBGInnovatieMember
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Name:	us-gaap_BusinessAcquisitionAxis=ravn_NavtronicsMember
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Name:	us-gaap_BusinessAcquisitionAxis=ravn_SBGInnovatiieandaffiliateMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_BusinessAcquisitionAxis=ravn_VistaResearchMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_StatementBusinessSegmentsAxis=ravn_AppliedTechnologyMember
Namespace Prefix:
Data Type:	na
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