Warranty Accrual

6 Months Ended

Jul. 31, 2012

Warranty Accrual [Abstract]

Warranty Accrual

Note 11. 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 ten-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 six months ended July 31, 2012 and 2011 (in thousands):

	Three Months Ended						Six Months Ended
	7/31/2012			7/31/2011			7/31/2012			7/31/2011
	(In thousands)
Beginning accrued warranty balance	$	1,400		$	2,150		$	1,400		$	2,300
Provision		88			276			199			348
Costs incurred		(188	)		(626	)		(299	)		(848	)
Ending accrued warranty balance	$	1,300		$	1,800		$	1,300		$	1,800