Warranty (Tables)

3 Months Ended

Oct. 31, 2014

Warranty [Abstract]

Reconciliation Of Warranty Reserves

	October 31,
	2014	2013
Beginning balance	$          9,029	$        10,526
Accruals for warranties issued during the reporting period	859	1,096
Accruals related to pre-existing warranties (including changes in estimates)	(542)	230
Less settlements made during the period	(1,290)	(1,640)
Ending balance	$          8,056	$        10,212