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Common And Preferred Stock Common and Preferred Stock (Tables) | 12 Months Ended
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Mar. 31, 2019
Schedule of Repurchases of Shares [Abstract] |
Schedule Of Repurchases Of Shares [Table Text Block] | Repurchases of common stock under the programs for fiscal years 2019 and 2018 were as follows:
| Fiscal Year Ended March 31,
| 2019 |  | 2018
Number of shares repurchased | 30,777 |  |  | 403,624 |
Cost of shares repurchased (in thousands of dollars) | $ | 1,443 |  |  | $ | 21,610 |
Weighted-average cost per share | $ | 46.87 |  |  | $ | 53.54 |

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