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Product Warranty | 3 Months Ended
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Jun. 30, 2012
Product Warranty [Abstract] |
Product Warranty | 7. Product Warranty The Company generally provides a one to three year warranty on its products, commencing upon installation. A provision is recorded upon revenue recognition to cost of revenues for estimated warranty expense based on historical experience. Product warranty activity was as follows (in thousands):
|  | Three months ended |
|  | June 30, |
|  | 2012 |  |  | 2011 |
Balance at beginning of period | $ | 5,896 |  | $ | 7,907 |
Accruals for warranties during the period |  | (167 | ) |  | (405 | )
Settlements during the period |  | (229 | ) |  | (168 | )
Balance at end of period | $ | 5,500 |  | $ | 7,334 |

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- Definition The 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. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 14 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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