XML 35 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Warranty (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2013
Standard Product Warranty Disclosure [Abstract] |
Warranty claim activity | The following is a summary of the Company’s warranty-claim activity during 2012 and 2011.
| January 31,
(In thousands) | 2013 |  | 2012
Beginning balance | $ | 1,400 |  |  | $ | 2,300 |
Provision for current year | 630 |  |  | 700 |
Provision for prior year | (490 | ) |  | (764 | )
Costs incurred | (540 | ) |  | (836 | )
Ending balance | $ | 1,000 |  |  | $ | 1,400 |

X
- 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=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StandardProductWarrantyDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration