Stock-Based Compensation (Tables)

6 Months Ended

Jan. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Stock options expense

The following table summarizes expense associated with stock options during the three and six months ended January 31, 2020 and 2019 (in millions):

	Three Months Ended January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
Pretax compensation expense associated with stock options	$	2.4	$	2.0	$	7.7	$	6.9
Tax benefits associated with stock options	$	0.5	$	0.3	$	1.1	$	1.4

The following table summarizes expense associated with performance-based awards during the three and six months ended January 31, 2020 and 2019 (in millions):

	Three Months Ended January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
Pretax compensation expense associated with performance-based awards	$	0.9	$	1.3	$	1.8	$	3.0

Summary of stock option activity

The following table summarizes stock option activity during the six months ended January 31, 2020:

	Options Outstanding		Weighted Average Exercise Price
Outstanding as of July 31, 2019	6,531,250		$	39.66
Granted	929,941		51.96
Exercised	(610,997	)	29.06
Canceled	(45,894	)	53.27
Outstanding as of January 31, 2020	6,804,300		$	42.20

Schedule of performance shares activity

The following table summarizes performance-based award activity during the six months ended January 31, 2020:

	Performance Shares Outstanding	Weighted Average Grant Date Fair Value
Non-vested at July 31, 2019	174,100	$	52.87
Granted	100,500	51.61
Vested	—	—
Canceled/forfeited	—	—
Non-vested at January 31, 2020	274,600	$	52.41