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Divisions operated in by Parent

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Pre-Contract Costs [Abstract]

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Pre-contract deferred costs written off: Pre-contract deferred inventory costs written off related to service contract accounted for using the percentage of completion method.

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Amount of deferred costs for long-term contracts and programs. Includes, but is not limited to, initial tooling costs and deferred production costs.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(6)(d)(i))
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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Additions made to capitalized computer software costs during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 350
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-Section 50
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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2016 USD ($) Divisions	Jan. 31, 2015 USD ($)	Jan. 31, 2014 USD ($)
Basis of Presentation and Principles of Consolidation
Number of divisions operated in by Parent \| Divisions	3
Investments [Abstract]
Percentage of voting interest acquired	22.00%
Pre-Contract Costs [Abstract]
Pre-contract deferred costs written off		$ 0	$ 0
Pre-contract costs deferred to inventory	$ 0	0
Property, Plant and Equipment [Abstract]
Capitalized software costs	$ 0	$ 0	$ 203
Minimum [Member]
Intangible Assets
Finite-lived intangible assets, useful life, minimum, years	3 years
Maximum [Member]
Intangible Assets
Finite-lived intangible assets, useful life, minimum, years	20 years
Building and Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	15 years
Building and Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	39 years
Machinery and Equipment [Member] \| Applied Technology [Member] \| Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	3 years
Machinery and Equipment [Member] \| Applied Technology [Member] \| Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	5 years
Machinery and Equipment [Member] \| Engineered Films [Member] \| Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	5 years
Machinery and Equipment [Member] \| Engineered Films [Member] \| Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	12 years
Machinery and Equipment [Member] \| Aerostar [Member] \| Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	3 years
Machinery and Equipment [Member] \| Aerostar [Member] \| Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	5 years
Furniture, Fixtures, Office Equipment and Other [Member] \| Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	3 years
Furniture, Fixtures, Office Equipment and Other [Member] \| Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	7 years
Software Development [Member] \| All Segments [Member] \| Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	3 years
Software Development [Member] \| All Segments [Member] \| Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment useful lives	5 years
Aerostar Integrated Systems [Member]
Noncontrolling Interest
Joint venture, ownership percentage	75.00%
Operating Segments [Member] \| Vista Reporting Unit [Member]
Pre-Contract Costs [Abstract]
Pre-contract deferred costs written off	$ 2,933