Inventories (Tables)

12 Months Ended

Aug. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

	August 31,
($ in thousands)	2019			2018
Raw materials and supplies	$	49,047		$	36,316
Work in process		4,514			9,176
Finished goods and purchased parts		46,812			40,197
Total inventory value before LIFO adjustment		100,373			85,689
Less adjustment to LIFO value		(8,086	)		(6,456	)
Inventories, net	$	92,287		$	79,233