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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 + Details
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- Definition 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) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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