Basis of Presentation (Tables)

9 Months Ended

Feb. 29, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

Inventory is comprised of the following amounts at: 

(In thousands)	February 29, 2016		May 31, 2015
Raw materials	$	18,788	$	16,935
Work in process	17,748		17,079
Finished goods	218,667		192,197
	$	255,203	$	226,211