Additional Balance Sheet Information (Notes)

6 Months Ended

Jan. 31, 2020

Additional Balance Sheet Information [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

Additional Balance Sheet Information

Inventories

Inventories as of January 31, 2020, and July 31, 2019, consisted of the following:

	January 31, 2020		July 31, 2019
Finished products	$	77,951	$	77,532
Work-in-process	21,477		20,515
Raw materials and supplies	21,360		21,990
Total inventories	$	120,788	$	120,037

Property, plant and equipment

Property, plant and equipment is presented net of accumulated depreciation in the amount of $280,961 and $273,880 as of January 31, 2020, and July 31, 2019, respectively.