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Common Stock and Stock Plans - Summary of Stock Option Activity and TSR Performance Stock Option Activity (Detail) $ / shares in Units, $ in Thousands | 12 Months Ended
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Mar. 31, 2022 USD ($) $ / shares shares
Employee Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of Shares, Outstanding, Beginning Balance | shares | 956,733
Number of Shares, Options granted | shares | 99,222
Number of Shares, Options expired | shares | (388,119)
Number of Shares, Options exercised | shares | (27,107)
Number of Shares, Outstanding, Ending Balance | shares | 640,729
Number of Shares, Vested and exercisable, Ending Balance | shares | 598,994
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance | $ / shares | $ 65.18
Weighted Average Exercise Price per Share, Options granted | $ / shares | 79.41
Weighted Average Exercise Price per Share, Options expired | $ / shares | 62.61
Weighted Average Exercise Price per Share, Options exercised | $ / shares | 56.33
Weighted Average Exercise Price per Share, Outstanding, Ending Balance | $ / shares | 69.32
Weighted Average Exercise Price per Share, Vested and exercisable, Ending Balance | $ / shares | $ 70.58
Weighted Average Remaining Contractual Term in Years, Outstanding | 1 year 7 months 6 days
Weighted Average Remaining Contractual Term in Years, Vested and exercisable | 1 year 3 months 18 days
Aggregate Intrinsic Value, Outstanding | $ | $ 483
Aggregate Intrinsic Value, Vested and exercisable | $ | $ 431
TSR Performance Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of Shares, Outstanding, Beginning Balance | shares | 2,415,459
Number of Shares, Options granted | shares | 599,292
Number of Shares, Options expired | shares | (578,764)
Number of Shares, Outstanding, Ending Balance | shares | 2,435,987
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance | $ / shares | $ 59.87
Weighted Average Exercise Price per Share, Options granted | $ / shares | 53.43
Weighted Average Exercise Price per Share, Options expired | $ / shares | 70.50
Weighted Average Exercise Price per Share, Outstanding, Ending Balance | $ / shares | $ 55.76
Weighted Average Remaining Contractual Term in Years, Outstanding | 4 years 2 months 12 days
Aggregate Intrinsic Value, Outstanding | $ | $ 9,690

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