Warranty (Tables)

12 Months Ended

Jan. 31, 2013

Standard Product Warranty Disclosure [Abstract]

Warranty claim activity

The following is a summary of the Company’s warranty-claim activity during 2012 and 2011.

	January 31,
(In thousands)	2013			2012
Beginning balance	$	1,400		$	2,300
Provision for current year	630			700
Provision for prior year	(490		)	(764		)
Costs incurred	(540		)	(836		)
Ending balance	$	1,000		$	1,400