Retirement Plans (Tables)

12 Months Ended

Aug. 31, 2018

Compensation And Retirement Disclosure [Abstract]

Schedule of Amounts Recognized in Balance Sheet

	August 31,
($ in thousands)	2018			2017
Change in benefit obligation:
Benefit obligation at beginning of year	$	6,825		$	7,426
Interest cost		243			236
Actuarial (gain) loss		(134	)		(287	)
Benefits paid		(530	)		(550	)
Benefit obligation at end of year	$	6,404		$	6,825

Schedule Of Amounts Recognized In Statement Of Financial Position

	August 31,
($ in thousands)	2018		2017
Other current liabilities	$	530	$	530
Pension benefit liabilities		5,874		6,295
Net amount recognized	$	6,404	$	6,825

Schedule Of Before-tax Amounts Recognized In Accumulated Other Comprehensive Loss

	August 31,
($ in thousands)	2018			2017
Net actuarial loss	$	(3,561	)	$	(3,901	)

Schedules Of Net Periodic Benefit Costs

	For the years ended August 31,
($ in thousands)	2018		2017		2016
Interest cost	$	243	$	236	$	281
Net amortization and deferral		206		241		209
Total	$	449	$	477	$	490

Schedule of Expected Benefit Payments

Fiscal years	$ in thousands
2019	$	518
2020		511
2021		504
2022		496
2023		487
Thereafter		3,889
	$	6,404