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v3.20.1

Earnings Per Share and Stock Plans 1 of 2 (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
Assumptions: |  |  |  |
Risk-free interest rate | 2.23% | 2.64% | 1.42% |
Dividend yield | 0.68% | 0.52% | 0.66% |
Volatility factor | 37.20% | 35.20% | 34.30% |
Expected life | 5 years 6 months | 5 years 6 months | 5 years 6 months |
Stock Options |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |
Stock Options Outstanding | 526,794 | 834,777 | 922,450 | 1,063,894
Weighted-average Exercise Price | $ 26.53 | $ 23.52 | $ 21.04 | $ 19.10
Weighted-average Remaining Contractual Life | 6 years 11 months 4 days | 7 years 14 days | 7 years 6 months 21 days | 6 years 11 months 23 days
Stock Options Exercisable | 225,337 |  |  |
Weighted- average Exercise Price per share | $ 22.67 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ 1,518 | $ 9,602 | $ 13,654 | $ 6,477
Stock Options | $10.01 to 20.00 |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |
Stock Options Outstanding | 152,666 |  |  |
Weighted-average Exercise Price | $ 15.56 |  |  |
Weighted-average Remaining Contractual Life | 5 years 7 months 20 days |  |  |
Stock Options Exercisable | 89,764 |  |  |
Weighted- average Exercise Price per share | $ 15.85 |  |  |
Stock Options | $20.01 to 30.00 |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |
Stock Options Outstanding | 177,705 |  |  |
Weighted-average Exercise Price | $ 24.89 |  |  |
Weighted-average Remaining Contractual Life | 6 years 2 months 12 days |  |  |
Stock Options Exercisable | 115,353 |  |  |
Weighted- average Exercise Price per share | $ 25.19 |  |  |
Stock Options | $30.01 to 40.00 [Member] |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |
Stock Options Outstanding | 196,423 |  |  |
Weighted-average Exercise Price | $ 36.59 |  |  |
Weighted-average Remaining Contractual Life | 8 years 7 months 9 days |  |  |
Stock Options Exercisable | 20,220 |  |  |
Weighted- average Exercise Price per share | $ 38.58 |  |  |
Long Term Incentive Plans [Member] |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | 106,792 | 211,932 | 157,448 |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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