Property, Plant and Equipment (Tables)

12 Months Ended

Aug. 31, 2021

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

	August 31,
($ in thousands)	2021			2020
Operating property, plant, and equipment:
Land	$	7,970		$	2,639
Buildings		49,308			40,730
Machinery and equipment		87,765			85,185
Furniture and fixtures		7,978			8,089
Computer hardware and software		24,569			20,927
Construction in progress		6,336			10,677
Total operating property, plant, and equipment		183,926			168,247
Accumulated depreciation		(116,856	)		(110,389	)
Total operating property, plant, and equipment, net		67,070			57,858
Property held for lease:
Machines		15,135			12,457
Barriers		29,939			27,403
Total property held for lease		45,074			39,860
Accumulated depreciation		(20,147	)		(18,137	)
Total property held for lease, net		24,927			21,723
Property, plant, and equipment, net	$	91,997		$	79,581