Stock-based Payment Compensation (Tables)

3 Months Ended

Oct. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of option activity for stock options

The following is a summary of activity for the Company’s stock options for the three months ended October 31, 2020:

(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	350	106.30
Exercises	(771)	25.97
Forfeitures or expirations	(205)	47.53
Outstanding as of October 31, 2020	7,433	$	45.93	6.75	$	478,932
Exercisable as of October 31, 2020	4,217	$	29.83	5.36	$	339,548

Recognized stock-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:

	Three Months Ended October 31,
(In thousands)	2020		2019
General and administrative	$	7,382	$	4,441
Yard operations	1,531		1,092
Total stock-based compensation	$	8,913	$	5,533

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

The following is a summary of activity for the Company’s RSA’s and RSU’s for the three months ended October 31, 2020:

(In thousands, except per share data)	Restricted Shares	Weighted Average Grant Date Fair Value
Outstanding as of July 31, 2020	105	$	69.86
Grants	26	115.58
Vested	(13)	76.35
Forfeitures or expirations	(5)	59.15
Outstanding as of October 31, 2020	113	$	79.80