Warranties (Tables)

12 Months Ended

Aug. 31, 2017

Warranties [Abstract]

Schedule Of Product Warranty Liability

	For the years ended August 31,
($ in thousands)	2017		2016
Product warranty accrual balance, beginning of period	$	7,443	$	7,271
Liabilities accrued for warranties during the period		6,914		5,912
Warranty claims paid during the period		(6,312)		(5,244)
Changes in estimates		366		(496)
Product warranty accrual balance, end of period	$	8,411	$	7,443