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Stockholder's Equity (Tables)

12 Months Ended

Jul. 31, 2021

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 2019—Q3						3,000,000						$	17.81					945,162						806,039						1,248,799						$	56.53					$	45,565
FY 2020—Q1						4,000,000						17.81						865,719						1,231,595						1,902,686						82.29						101,348
FY 2021—Q4						90,000						17.73						12,366						29,349						48,285						129.01						3,786

(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)						2021						2020						2019
General and administrative						$	35,633					$	17,567					$	18,254
Yard operations						5,289						5,755						5,191
Total stock-based compensation						$	40,922					$	23,322					$	23,445

Schedule of non-vested shares

A summary of the status of the Company’s non-vested shares from stock option awards and its activity during the year ended July 31, 2021 was as follows:

(In thousands, except per share amounts)						Shares						Weighted Average Grant- date Fair Value
Non-vested shares at July 31, 2020						3,303						$	17.58
Grants of non-vested shares						1,310						31.17
Vested						(1,139)						16.65
Forfeitures or expirations						(213)						12.84
Non-vested shares at July 31, 2021						3,261						$	22.80

Schedule of option activity

The following is a summary of activity for the Company’s stock options for the year ended July 31, 2021:

(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, 2020						8,059						$	41.44					6.72						$	417,529
Grants of options						1,310						107.95
Exercises						(1,599)						25.47
Forfeitures or expirations						(213)						47.11
Outstanding as of July 31, 2021						7,557						$	56.19					6.53						$	686,269
Exercisable as of July 31, 2021						4,295						$	38.16					5.17						$	467,433
Vested and expected to vest as of July 31, 2021						7,557						$	56.19					6.52						$	686,269

Schedule of stock options outstanding and exercisable

The following table summarizes stock options outstanding and exercisable as of July 31, 2021:

(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
$12.48			—			$17.73						890						3.25						$	16.72					890						$	16.72
$17.81			—			$36.32						2,393						5.06						28.16						1,988						26.68
$43.96			—			$58.27						1,740						7.17						55.59						876						53.05
$77.51			—			$134.42						2,534						8.62						96.93						541						91.47
Outstanding as of July 31, 2021												7,557						6.53						$	56.19					4,295						$	38.16

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, 2021:

(In thousands, except per share data)						Restricted Shares						Weighted Average Grant Date Fair Value
Outstanding as of July 31, 2020						105						$	69.86
Grants						61						116.86
Vested						(58)						83.26
Forfeitures or expirations						(6)						67.55
Outstanding as of July 31, 2021						102						$	90.46

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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