Warranties (Tables)

3 Months Ended

Oct. 31, 2013

Warranties

Summary of activity in warranty reserves

	Three Months Ended
	October 31,
	2013			2012
Beginning balance	$	1,261,000		$	1,667,000
Provisions	691,000			367,000
Settlements	(691,000		)	(596,000		)
Ending balance	$	1,261,000		$	1,438,000