Basis of Presentation (Tables)

3 Months Ended

Aug. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

Inventory is comprised of the following: 

(In thousands)	August 31, 2019		May 31, 2019
Raw materials	$	16,541	$	17,812
Work in process	25,618		28,820
Finished goods	294,131		287,957
	$	336,290	$	334,589