Warranty Reserves (Tables)

9 Months Ended

Nov. 30, 2013

Product Warranties Disclosures [Abstract]

Changes in the warranty reserves

The following table shows changes in the warranty reserves since the end of fiscal 2013:

	Warranty Reserve
	(unaudited)
	(in thousands)
Balance at February 28, 2013	$	2,073
Warranty costs incurred	(657		)
Additions charged to income	432
Balance at May 31, 2013	$	1,848
Warranty costs incurred	(595		)
Additions charged to income	407
Balance at August 31, 2013	$	1,660
Warranty costs incurred	(595		)
Additions charged to income	245
Balance at November 30, 2013	$	1,310