Capital Stock and Stock-Based Awards (Details) - Schedule of employee stock purchase plan activity - Employee Stock Purchase Plan [Member] - $ / shares	12 Months Ended
May 31, 2020	May 31, 2019	May 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued	65,714	48,000	50,516
Weighted average purchase price per share (in Dollars per share)	$ 27.84	$ 36.25	$ 33.74

Number of shares issued during the period as a result of an employee stock purchase plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration