Commitments And Contingencies (Tables)

12 Months Ended

May 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Aggregate of future annual payments under non cancelable operating leases for facilities and equipment

Future annual payments under non-cancelable operating leases in the aggregate, of which one includes an escalation clause, with initial remaining terms of more than one year at May 31, 2018, are summarized as follows (in thousands):



(in thousands)
2019	$	2,234
2020	1,829
2021	993
2022	884
2023 and thereafter	1,668
	$	7,608

Other commitments and contingencies

The following table summarizes the Company's other future commitments and contingencies as of May 31, 2018



(in thousands)	Total		2019		2020		2021		2022		2023 and thereafter
Purchase obligations (1)	$	56,201	$	11,751	$	14,243	$	15,485	$	9,189	$	5,533
Royalties	45,000		3,000		3,500		3,500		3,500		31,500
Other	667		167		167		167		166		—
	$	101,868	$	14,918	$	17,910	$	19,152	$	12,855	$	37,033


(1)	The non-cancelable inventory purchase obligations are not reflected on our consolidated balance sheets under accounting principles generally accepted in the United States of America.