Warranties (Tables)

9 Months Ended

Apr. 30, 2013

Warranties

Summary of activity in warranty reserves

	Three Months Ended						Nine Months Ended
	April 30,						April 30,
	2013			2012			2013			2012
Beginning balance	$	1,232,000		$	2,081,000		$	1,667,000		$	2,083,000
Provisions	479,000			748,000			1,182,000			2,528,000
Settlements	(634,000		)	(881,000		)	(1,772,000		)	(2,661,000		)
Foreign currency translation	—			1,000			—			(1,000		)
Ending balance	$	1,077,000		$	1,949,000		$	1,077,000		$	1,949,000