Subsequent Events	6 Months Ended
Nov. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	NOTE Q – Subsequent Events On December 31, 2018, the Pressure Cylinders segment sold the operating assets and real property related to its solder business to an affiliate of Lincoln Electric Holdings, Inc. (“Lincoln”), for approximately $26,500,000. In addition, the parties have entered into a purchase agreement pursuant to which Lincoln will acquire certain brazing assets from the Company, with a net book value of approximately $1,900,000. The anticipated closing of the sale of the brazing assets is February 1, 2019. The Company expects to recognize a net gain in connection with these sales transactions.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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