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Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2017
Accounting Policies [Abstract] |
Schedule of Warranty Liability | Warranty liability for the fiscal years ended January 31, 2017, 2016 and 2015 was as follows (in thousands):
| 2017 |  |  | 2016 |  |  | 2015 |
Balance, beginning of year | $ | 2,556 |  |  | $ | 2,710 |  |  | $ | 2,660 |
Provision charged to operations |  | 2,092 |  |  |  | 1,630 |  |  |  | 2,710 |
Settlements made |  | (1,920 | ) |  |  | (1,784 | ) |  |  | (2,660 | )
Balance, end of year | $ | 2,728 |  |  | $ | 2,556 |  |  | $ | 2,710 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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