Inventories (Tables)

6 Months Ended

Feb. 29, 2020

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following:

(in thousands)	February 29, 2020		August 31, 2019
Finished goods	$	62,569	$	53,417
Work-in-process	110,058		82,926
Raw materials	106,865		105,804
Total	279,492		242,147
Less last-in, first-out ("LIFO") reserve	41,684		41,021
Inventories, net	$	237,808	$	201,126

Inventory valuation methods consist of the following:

(in thousands)	February 29, 2020		August 31, 2019
LIFO basis	$	135,437	$	184,007
First-in, first-out basis	144,055		58,140
Total	$	279,492	$	242,147