Period of amortization of goodwill for income tax purpose.

No definition available.

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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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.

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

- Details

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PURCHASED INTANGIBLE ASSETS - Goodwill and Finite Lived Intangible Assets (Details) - USD ($)	12 Months Ended
	Jan. 31, 2016	Dec. 04, 2015	May. 29, 2015	Jan. 31, 2015	Jan. 31, 2014
Finite-Lived Intangible Assets
Goodwill	$ 37,405,000			$ 18,476,000	$ 18,476,000
Goodwill allocated for income tax reporting purposes	$ 12,300,000
Period of amortization of goodwill for income tax purpose	15 years
Accumulated amortization	$ 2,510,000			1,979,000	$ 1,736,000
Finite Lived Intangible Assets - Net Amount	4,664,000
GPS
Finite-Lived Intangible Assets
Goodwill	18,476,000			18,476,000
Roberts
Finite-Lived Intangible Assets
Goodwill	14,880,000	$ 14,880,000
APC
Finite-Lived Intangible Assets
Goodwill	4,049,000		$ 4,049,000
Trade Name \| GPS
Finite-Lived Intangible Assets
Finite Lived Intangible Assets - Gross Carrying Amount	3,643,000
Accumulated amortization	2,222,000
Finite Lived Intangible Assets - Net Amount	$ 1,421,000			$ 1,664,000
Trade Name \| GPS \| GPS
Finite-Lived Intangible Assets
Finite-Lived Intangible Assets - Estimated Useful Life	15 years
Process certifications \| Roberts
Finite-Lived Intangible Assets
Finite-Lived Intangible Assets - Estimated Useful Life	7 years
Finite Lived Intangible Assets - Gross Carrying Amount	$ 1,897,000
Accumulated amortization	45,000
Finite Lived Intangible Assets - Net Amount	$ 1,852,000
Customer Relationships \| Roberts
Finite-Lived Intangible Assets
Finite-Lived Intangible Assets - Estimated Useful Life	10 years
Finite Lived Intangible Assets - Gross Carrying Amount	$ 916,000
Accumulated amortization	15,000
Finite Lived Intangible Assets - Net Amount	$ 901,000
Customer Relationships \| APC
Finite-Lived Intangible Assets
Finite-Lived Intangible Assets - Estimated Useful Life	4 years
Finite Lived Intangible Assets - Gross Carrying Amount	$ 430,000
Accumulated amortization	59,000
Finite Lived Intangible Assets - Net Amount	371,000
Other intangibles
Finite-Lived Intangible Assets
Finite Lived Intangible Assets - Gross Carrying Amount	288,000
Accumulated amortization	169,000
Finite Lived Intangible Assets - Net Amount	$ 119,000