Derivatives (Table Text Block)	12 Months Ended
Mar. 31, 2021
Derivative Instrument Detail [Abstract]
Derivative Fair Values Located in Accounts Payable and Accrued Expenses in the Balance Sheet	March 31, 2021 March 31, 2020 (In thousands) Interest rate contracts designated as hedging instruments Assets $ - $ - Liabilities 5,141 8,214 Notional amount (debt) 235,000 235,000

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959

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