Warranty (Tables)

12 Months Ended

Jul. 31, 2014

Warranty [Abstract]

Reconciliation Of Warranty Reserves

Balance at July 31, 2012	$	10,905
Accruals for warranties issued during the reporting period		5,940
Accruals related to pre-existing warranties (including changes in estimates)		(1,081)
Less settlements made during the period		(5,238)
Balance at July 31, 2013	$	10,526
Accruals for warranties issued during the reporting period		4,339
Accruals related to pre-existing warranties (including changes in estimates)		(1,185)
Less settlements made during the period		(4,651)
Balance at July 31, 2014	$	9,029