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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
Mar. 31, 2023
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 640,729
Number of Shares, Options granted | shares 30,000
Number of Shares, Options expired | shares (434,233)
Number of Shares, Options exercised | shares 0
Number of Shares, Outstanding, Ending Balance | shares 236,496
Number of Shares, Vested and exercisable, Ending Balance | shares 203,496
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance | $ / shares $ 69.32
Weighted Average Exercise Price per Share, Options granted | $ / shares 36.93
Weighted Average Exercise Price per Share, Options expired | $ / shares 70.78
Weighted Average Exercise Price per Share, Options exercised | $ / shares 0
Weighted Average Exercise Price per Share, Outstanding, Ending Balance | $ / shares 62.53
Weighted Average Exercise Price per Share, Vested and exercisable, Ending Balance | $ / shares $ 66.51
Weighted Average Remaining Contractual Term in Years, Outstanding 2 years 10 months 24 days
Weighted Average Remaining Contractual Term in Years, Vested and exercisable 2 years 6 months
Aggregate Intrinsic Value, Outstanding | $ $ 28
Aggregate Intrinsic Value, Vested and exercisable | $ $ 28
TSR Performance Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Outstanding, Beginning Balance | shares 2,435,987
Number of Shares, Options granted | shares 557,687
Number of Shares, Options expired | shares (586,362)
Number of Shares, Outstanding, Ending Balance | shares 2,407,312
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance | $ / shares $ 55.76
Weighted Average Exercise Price per Share, Options granted | $ / shares 34.00
Weighted Average Exercise Price per Share, Options expired | $ / shares 66.66
Weighted Average Exercise Price per Share, Outstanding, Ending Balance | $ / shares $ 48.06
Weighted Average Remaining Contractual Term in Years, Outstanding 4 years 1 month 6 days