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Segment Reporting - Financial Information by Business Segment (Assets) (Detail) - USD ($) $ in Thousands	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
Segment Reporting Information [Line Items]
Fixed assets, net	$ 73,516	$ 100,087	$ 129,573
Intangible assets, net	10,466	10,831	3,201
Goodwill	4,155	5,594	4,320
Total Assets	134,759	179,611	205,419
Equipment Leasing [Member]
Segment Reporting Information [Line Items]
Fixed assets, net	69,238	98,964	128,847
Intangible assets, net		1,006	1,529
Total Assets	95,932	148,985	183,911
Equipment Manufacturing and Sales [Member]
Segment Reporting Information [Line Items]
Fixed assets, net	4,278	1,123	726
Intangible assets, net	10,466	9,825	1,672
Goodwill	4,155	5,594	4,320
Total Assets	$ 39,059	$ 30,982	$ 21,814

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Section 03
-Paragraph 12
-Article 7

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Amount after 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)
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- 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
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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