Inventories (Tables)

9 Months Ended

May 31, 2018

Inventory Disclosure [Abstract]

Schedule Of Inventories

($ in thousands)	May 31, 2018			May 31, 2017			August 31, 2017
Raw materials and supplies	$	39,320		$	32,960		$	31,158
Work in process		7,898			7,849			7,113
Finished goods and purchased parts		41,454			53,469			52,382
Total inventory value before LIFO adjustment		88,672			94,278			90,653
Less adjustment to LIFO value		(6,037	)		(5,677	)		(4,498	)
Inventories, net	$	82,635		$	88,601		$	86,155