Additional Balance Sheet Information (Notes)

9 Months Ended

Apr. 30, 2019

Additional Balance Sheet Information [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

Additional Balance Sheet Information

Inventories

Inventories as of April 30, 2019, and July 31, 2018, consisted of the following:

	April 30, 2019		July 31, 2018
Finished products	$	76,117	$	73,133
Work-in-process	22,240		19,903
Raw materials and supplies	21,538		20,035
Total inventories	$	119,895	$	113,071

Property, plant and equipment

Property, plant and equipment is presented net of accumulated depreciation in the amount of $274,476 and $280,778 as of April 30, 2019, and July 31, 2018, respectively.