Warranty (Tables)

6 Months Ended

Jan. 31, 2015

Warranty [Abstract]

Reconciliation Of Warranty Reserves

	January 31,
	2015	2014
Beginning balance	$          9,029	$        10,526
Accruals for warranties issued during the reporting period	1,617	1,710
Accruals related to pre-existing warranties (including changes in estimates)	(204)	(342)
Less settlements made during the period	(2,020)	(2,404)
Ending balance	$          8,422	$          9,490