Other Assets	12 Months Ended
	Mar. 31, 2020
Disclosure Text Block [Abstract]
Other Assets	Note 7.   Other Assets Other assets were as follows:     March 31,     2020   2019     (In thousands) Deposits (debt-related) $ 33,020 $ 30,408 Cash surrender value of life insurance policies   31,371   30,985 Deposits (real estate related)   7,565   16,961   $ 71,956 $ 78,354