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Stock-Based Compensation (Tables)
12 Months Ended
Jul. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Summary of stock-based awards outstanding by award type
As of July 31, 2023, the following stock-based awards, by award type, were outstanding:
 July 31, 2023
Stock options240,510 
Performance shares666,324 
RSUs, restricted stock, share units and other stock-based awards1,209,906 
Total2,116,740 
Stock-based compensation for awards detailing where recorded in Consolidated Statement of Operations
Stock-based compensation for awards issued is reflected in the following line items in our Consolidated Statements of Operations:
 Fiscal Years Ended July 31,
 202320222021
Cost of sales$1,110,000 692,000 929,000 
Selling, general and administrative expenses7,960,000 6,312,000 8,091,000 
Research and development expenses1,037,000 763,000 963,000 
Stock-based compensation expense before CEO transition
     costs
10,107,000 7,767,000 9,983,000 
CEO transition costs related to equity-classified stock-based
     awards
3,764,000 7,388,000 — 
Total stock-based compensation expense before income tax
     benefit
13,871,000 15,155,000 9,983,000 
Estimated income tax benefit(2,552,000)(2,260,000)(2,164,000)
Net stock-based compensation expense$11,319,000 12,895,000 7,819,000 
Summary of stock-based compensation expense by award type
Stock-based compensation expense, by award type, is summarized as follows:
Fiscal Years Ended July 31,
202320222021
Stock options$87,000 519,000 370,000 
Performance shares973,000 1,136,000 1,345,000 
RSUs, restricted stock, share units and other stock-based awards8,926,000 5,912,000 8,060,000 
ESPP121,000 200,000 208,000 
Stock based compensation expense10,107,000 7,767,000 9,983,000 
CEO transition costs related to equity-classified stock-based
    awards
3,764,000 7,388,000 — 
Total stock-based compensation expense before income tax benefit13,871,000 15,155,000 9,983,000 
Estimated income tax benefit(2,552,000)(2,260,000)(2,164,000)
Net stock-based compensation expense$11,319,000 12,895,000 7,819,000 
Summary of the Plan's activity relating to stock options
The following table summarizes the Plan's activity:
 Awards
(in Shares)
Weighted Average
Exercise Price
Weighted Average
Remaining Contractual
Term (Years)
Aggregate
Intrinsic Value
Outstanding at July 31, 20201,422,025 $26.17   
Expired/canceled(348,590)27.44   
Outstanding at July 31, 20211,073,435 25.76 
Expired/canceled(588,735)26.86 
Exercised(1,220)17.88 
Outstanding at July 31, 2022483,480 24.43 
Expired/canceled(242,970)24.89 
Outstanding at July 31, 2023240,510 $23.96 3.97$— 
Exercisable at July 31, 2023211,870 $24.78 3.63$— 
Vested and expected to vest at July 31, 2023238,868 $24.00 3.96$— 
Summary of the Plan's activity relating to performance shares, RSUs, restricted stock and share units
The following table summarizes the Plan's activity relating to performance shares, RSUs, restricted stock, share units and other stock-based awards:
  Awards
(in Shares)
 Weighted Average
Grant Date
Fair Value
 
Aggregate
Intrinsic Value
Outstanding at July 31, 2020 999,574 $21.15 
Granted 644,272 19.06 
Settled (455,564)17.09 
Canceled/Forfeited (119,912)18.42 
Outstanding at July 31, 20211,068,370 21.93 
Granted797,771 18.77 
Settled(641,747)22.83 
Canceled/Forfeited(113,644)22.78 
Outstanding at July 31, 2022 1,110,750 19.05 
Granted1,550,951 10.79 
Settled(632,267)16.69 
Canceled/Forfeited(153,204)16.67 
Outstanding at July 31, 20231,876,230 $13.21 $19,062,000 
  
Vested at July 31, 2023 847,243 $13.53 $8,608,000 
  
Vested and expected to vest at July 31, 2023 1,836,835 $13.21 $18,662,000