Defined contribution current payroll matching percentage

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- Definition

Defined Contribution Plan, Number of Plans

+ References

No definition available.

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- Definition

Defined benefit, number of plan participants terminated from benefits. Benefits were terminated for eligible employees not retired with less than 20 years of service

+ References

No definition available.

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- Definition

Participant contribution rate for company stock, maximum

+ References

No definition available.

+ Details

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- Definition

Percentage of Participant balance transferred into Raven common stock, Maximum. The maximum percentage of the paricipant's balance in the 401k plan that can be transferred to acquire Raven common stock.

+ References

No definition available.

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- Definition

Percentage of participant balance allowed in Raven Common stock, Maximum. The maximum percentage of the participants balance in the Company's 401k plan that can be invested in Raven common stock.

+ References

No definition available.

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- Definition

Years of service required for post-retirement benefits. Post-retirement plan was amended August 2015. The employment agreements for all participants in the plan not retired but eligible for benefits at retirement, with less than 20 years of service were amended to terminate this benefit. Participants not retired that had 20 years of service were not impacted by the amendment to the plan and are still eligible for benefits when they retire.

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- Definition

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

+ References

No definition available.

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- Definition

If applicable, the cost of providing special or contractual termination benefits recognized during the period on the projected benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (q)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

The amount of increase or decrease in the accumulated benefit obligation related to the effects of a change in the substantive terms of an existing defined benefit pension plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Amendment
-URI http://asc.fasb.org/extlink&oid=49173939

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (r)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-Section 35
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Assets
-URI http://asc.fasb.org/extlink&oid=6749337

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Assets
-URI http://asc.fasb.org/extlink&oid=6520858

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Employee Retirement Benefits (Details)	12 Months Ended
- Employee Retirement Benefits (Details)	Jan. 31, 2017 USD ($) contribution_plan	Jan. 31, 2016 USD ($)	Jan. 31, 2015 USD ($)	Aug. 31, 2015 USD ($) participants
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of defined contribution plans \| contribution_plan	1
Defined contribution current payroll matching percentage	4.00%
Participant contribution rate for company stock, maximum	10.00%	20.00%	20.00%
Percentage of participant balance allowed in Raven Common stock	10.00%
Total contribution expense	$ 2,030,000	$ 1,952,000	$ 2,416,000
Defined benefit, number of plan participants with benefits terminated \| participants				5
Years of service required for post-retirement benefits	20 years
Reduction in benefit obligation due to elimination of coverage				$ 1,000,000
Other Postretirement Benefit Plan, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year	$ (40,000)
Recognized net loss over next fiscal year	120,000
Amortization of prior service cost over next fiscal year	(160,000)
Expected postretirement medical and other benefit payments in fiscal 2017	362,000
Plan assets on unfunded plan	0	$ 0	$ 0
Minimum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount of lump sum payments based on officer's years of service to the company	$ 8,000
Maximum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of Participant balance transferred into Raven common stock	10.00%	20.00%	20.00%
Percentage of participant balance allowed in Raven Common stock		20.00%	20.00%
Amount of lump sum payments based on officer's years of service to the company	$ 15,000
Vista Research [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution current payroll matching percentage	4.00%	3.00%	3.00%