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Stockholder's Equity (Tables)

12 Months Ended

Jul. 31, 2023

Equity [Abstract]

Schedule of Stock Options Exercised Utilizing a Cashless Exercise

The exercised stock options, utilizing a cashless exercise, are summarized in the following table:

Period						Options Exercised						Weighted Average Exercise Price						Shares Net Settled for Exercise						Shares Withheld for Taxes (1)						Net Shares to Employees						Weighted Average Share Price for Withholding						Employee Stock-Based Tax Withholding (in 000s)
FY 2021—Q4						360,000						4.43						49,464						117,396						193,140						32.25						3,786
FY 2022						—						—						—						—						—						—						—
FY 2023						—						—						—						—						—						—						—

(1)Shares withheld for taxes are treated as a repurchase of shares for accounting purposes but do not count against the Company’s stock repurchase program.

Schedule of Share-Based Compensation Expense

The table below sets forth the stock-based compensation recognized by the Company for stock options, restricted stock, and restricted unit awards:

						Year Ended July 31,
(In thousands)						2023						2022						2021
General and administrative						$	32,747					$	33,838					$	35,633
Yard operations						6,926						5,127						5,289
Total stock-based compensation						$	39,673					$	38,965					$	40,922

Schedule of Fair Value Assumptions

The Black-Scholes Merton option-pricing model utilized the following assumptions:

						July 31,
						2023																		2022																		2021
Expected life (in years)						5.0						—			6.3									5.1						—			6.8									5.2						—			6.3
Risk-free interest rate						3.67			%			—			3.88			%						0.82			%			—			2.70			%						0.42			%			—			1.23			%
Estimated volatility						29.6			%			—			32.0			%						27.9			%			—			30.0			%						26.3			%			—			28.7			%
Expected dividends						—												%						—												%						—												%
Weighted average fair value at measurement date						$	12.10																	$	10.59																	$	7.61

Schedule of Non-Vested Shares

A summary of the status of the Company’s unvested stock options awards and its activity during the year ended July 31, 2023 was as follows:

(In thousands, except per share amounts)						Shares						Weighted Average Grant- date Fair Value
Unvested shares at July 31, 2022						9,576						$	7.43
Grants of non-vested shares						887						12.94
Vested						(3,617)						6.78
Forfeitures or expirations						(1,076)						7.22
Unvested shares at July 31, 2023						5,770						$	8.72

Schedule of Option Activity

The following is a summary of activity for the Company’s stock options for the year ended July 31, 2023:

(In thousands, except per share and term data)						Shares						Weighted Average Exercise Price						Weighted Average Remaining Contractual Term (In years)						Aggregate Intrinsic Value
Outstanding as of July 31, 2022						22,788						$	14.66					5.50						$	398,331
Grants of options						588						32.75
Exercises						(4,474)						11.10
Forfeitures or expirations						(1,077)						25.80
Outstanding as of July 31, 2023						17,825						$	15.47					4.67						$	512,045
Exercisable as of July 31, 2023						15,033						$	13.53					4.14						$	460,993
Vested and expected to vest as of July 31, 2023						17,728						$	15.41					4.66						$	510,333

The following is a summary of activity for the Company’s stock option awards subject to market conditions for the year ended July 31, 2023:

(In thousands, except per share and term data)						Shares						Weighted Average Exercise Price						Weighted Average Remaining Contractual Term (In years)						Aggregate Intrinsic Value
Outstanding as of July 31, 2022						5,620						$	23.91					8.33						$	45,590
Grants of options						300						32.85
Exercises						—						—
Forfeitures or expirations						—						—
Outstanding as of July 31, 2023						5,920						$	24.37					7.43						$	117,389
Exercisable as of July 31, 2023						2,941						$	22.65					7.11						$	63,356
Vested and expected to vest as of July 31, 2023						5,901						$	24.36					7.43						$	117,059

Schedule of Stock Options Outstanding and Exercisable

The following table summarizes stock options outstanding and exercisable as of July 31, 2023:

(In thousands, except per share amounts)												Options Outstanding																		Options Exercisable
Range of Exercise Prices												Number						Weighted Average Remaining Contractual Life						Weighted Average Exercise Price						Number						Weighted Average Exercise Price
$4.37			—			$4.56						2,597						1.66						$	4.47					2,597						$	4.47
$4.65			—			$8.70						3,014						3.32						6.98						3,014						6.98
$9.08			—			$21.26						10,821						5.62						15.91						8,636						15.04
$22.15			—			$36.41						7,313						7.13						29.42						3,727						28.85
Outstanding as of July 31, 2023												23,745						5.36						$	17.69					17,974						$	15.02

Schedule of Restricted Stock Activity

The following is a summary of activity for the Company’s RSA’s and RSU’s for the for the year ended July 31, 2023:

(In thousands, except per share data)						Restricted Shares						Weighted Average Grant Date Fair Value
Outstanding as of July 31, 2022						708						$	30.14
Grants						539						32.52
Vested						(384)						30.63
Forfeitures or expirations						(63)						26.89
Outstanding as of July 31, 2023						800						$	31.77

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