Warranty (Tables)

9 Months Ended

Apr. 30, 2015

Warranty [Abstract]

Reconciliation Of Warranty Reserves

	April 30,
	2015	2014
Beginning balance	$          9,029	$        10,526
Accruals for warranties issued during the reporting period	2,210	2,274
Accruals related to pre-existing warranties (including changes in estimates)	1,047	(452)
Less settlements made during the period	(3,706)	(3,270)
Ending balance	$          8,580	$          9,078