Warranty Accrual

9 Months Ended

Oct. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Warranty Accrual

Warranty Accrual

The Company accrues an estimate of its exposure to warranty claims based upon both current and historical product sales data and warranty costs incurred. The Company’s products carry a 10-year warranty. The Company periodically assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as necessary. The warranty liability is included in accrued liabilities in the accompanying consolidated balance sheets.

The following is a summary of the Company’s warranty claim activity for the three and nine months ended October 31, 2012 and 2011 (in thousands):

	Three Months Ended						Nine Months Ended
	10/31/2012			10/31/2011			10/31/2012			10/31/2011
	(In thousands)
Beginning accrued warranty balance	$	1,300		$	1,800		$	1,400		$	2,300
Provision	(175		)	(184		)	24			(176		)
Costs incurred	(125		)	(216		)	(424		)	(724		)
Ending accrued warranty balance	$	1,000		$	1,400		$	1,000		$	1,400