Retirement Plans (Tables)

12 Months Ended

Aug. 31, 2019

Compensation And Retirement Disclosure [Abstract]

Schedule of Amounts Recognized in Balance Sheet

	August 31,
($ in thousands)	2019			2018
Change in benefit obligation:
Benefit obligation at beginning of year	$	6,404		$	6,825
Interest cost		246			243
Actuarial (gain) loss		439			(134	)
Benefits paid		(530	)		(530	)
Benefit obligation at end of year	$	6,559		$	6,404

Schedule of Amounts Recognized in Statement of Financial Position

	August 31,
($ in thousands)	2019		2018
Other current liabilities	$	530	$	530
Pension benefit liabilities		6,029		5,874
Net amount recognized	$	6,559	$	6,404

Schedule of Before-tax Amounts Recognized in Accumulated other Comprehensive Loss

	August 31,
($ in thousands)	2019			2018
Net actuarial loss	$	(3,801	)	$	(3,561	)

Schedules of Net Periodic Benefit Costs

	For the years ended August 31,
($ in thousands)	2019		2018		2017
Interest cost	$	246	$	243	$	236
Net amortization and deferral		199		206		241
Total	$	445	$	449	$	477

Schedule of Expected Benefit Payments

Fiscal years	$ in thousands
2020	$	519
2021		512
2022		503
2023		494
2024		485
Thereafter		4,046
	$	6,559