Warranty (Tables)

9 Months Ended

Apr. 30, 2014

Warranty [Abstract]

Reconciliation Of Warranty Reserves

	April 30,
	2014	2013
Beginning balance	$        10,526	$        10,905
Accruals for warranties issued during the reporting period	2,274	5,479
Accruals related to pre-existing warranties (including changes in estimates)	(452)	(105)
Less settlements made during the period	(3,270)	(3,538)
Ending balance	$          9,078	$        12,741