XML 27 R17.htm IDEA: XBRL DOCUMENT /* Do Not Remove This Comment */ function toggleNextSibling (e) { if (e.nextSibling.style.display=='none') { e.nextSibling.style.display='block'; } else { e.nextSibling.style.display='none'; } } v3.5.0.1 Warranty Accrual 3 Months Ended Apr. 30, 2016 Product Warranties Disclosures [Abstract] Warranty Accrual Warranty AccrualThe Company provides a warranty against all substantial defects in material and workmanship. In 2005 the Company extended its standard warranty from five years to 10years. Effective February 1, 2014 the Company modified its warranty to a limited lifetime warranty. The new warranty effective February 1, 2014 is not anticipated to have a significant effect on warranty expense. The Company accrues an estimate of its exposure to warranty claims based upon both product sales data and an analysis of actual warranty claims incurred. The following is a summary of the Company’s warranty-claim activity for the three months ended April30, 2016 and 2015.Three Months Ended4/30/20164/30/2015(In thousands)Beginning balance$1,000$950Provision12983Costs incurred(129)(83)Ending balance$1,000$950 X - ReferencesNo definition available.
XML 31 R17.htm IDEA: XBRL DOCUMENT /* Do Not Remove This Comment */ function toggleNextSibling (e) { if (e.nextSibling.style.display=='none') { e.nextSibling.style.display='block'; } else { e.nextSibling.style.display='none'; } } v3.7.0.1 Warranty 12 Months Ended Jan. 31, 2017 Standard Product Warranty Disclosure [Abstract] Warranty WarrantyThe Company provides a warranty against all substantial defects in material and workmanship. The standard warranty offered on products sold through January 31, 2013 is 10 years. Effective February 1, 2014 the Company modified its warranty to a limited lifetime warranty. The warranty effective February 1, 2014 is not anticipated to have a significant effect on warranty expense. Effective January 1, 2017, the Company modified the warranty offered to provide specific warranty periods by product component, with no warranty period longer than ten years. The Company’s warranty is not a guarantee of service life, which depends upon events outside the Company’s control and may be different from the warranty period. The Company accrues an estimate of its exposure to warranty claims based upon both product sales data and an analysis of actual warranty claims incurred. The following is a summary of the Company’s warranty-claim activity during 2017 and 2016.January31,(In thousands)20172016Beginning balance$1,000$950Provision for current year700675Provision for (benefits from) prior year(285)(250)Costs incurred(415)(375)Ending balance$1,000$1,000 X - DefinitionThe entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period.