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Common And Preferred Stock Common and Preferred Stock (Tables)
12 Months Ended
Mar. 31, 2020
Schedule of Repurchases of Shares [Abstract]  
Schedule Of Repurchases Of Shares [Table Text Block]
Repurchases of common stock under the programs for fiscal years 2020, 2019, and 2018 were as follows:
 
Fiscal Year Ended March 31,
 
2020
 
2019
 
2018
Number of shares repurchased
656,820

 
30,777

 
403,624

Cost of shares repurchased (in thousands of dollars)
$
33,457

 
$
1,443

 
$
21,610

Weighted-average cost per share
$
50.94

 
$
46.87

 
$
53.54