Additional Balance Sheet Information (Notes)

6 Months Ended

Jan. 31, 2019

Additional Balance Sheet Information [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

Additional Balance Sheet Information

Inventories

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

	January 31, 2019		July 31, 2018
Finished products	$	76,571	$	73,133
Work-in-process	21,245		19,903
Raw materials and supplies	20,703		20,035
Total inventories	$	118,519	$	113,071

Property, plant and equipment

Property, plant and equipment is presented net of accumulated depreciation in the amount of $276,000 and $280,778 as of January 31, 2019, and July 31, 2018, respectively.