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Stock-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following table provides the estimated weighted average fair value for options granted during the years ended April 30 using the Black-Scholes option-pricing model, and the significant weighted average assumptions used in their determination.

			2023						2022
Weighted average fair value of options on grant date			$	9.24					$	11.75
Weighted average assumptions:
Expected life of options (years)			5.9						6.3
Risk-free interest rate			2.0		%				1.2		%
Expected volatility			32.4		%				30.7		%
Expected dividend yield			3.4		%				2.4		%
Fair value of common stock on grant date			$	41.30					$	56.51
Exercise price of stock option grant			$	41.30					$	61.84

Schedule of Share-based Payment Arrangement, Option, Activity

A summary of the activity and status of our stock option plans follows during the year ended April 30, 2023:

			Number of Options (in 000’s)						Weighted Average Exercise Price						Weighted Average Remaining Term (in years)						Aggregate Intrinsic Value (in millions)
Outstanding at beginning of year			310						$	59.89
Granted			20						$	41.30
Exercised			(14)						$	39.53
Expired or forfeited			(4)						$	48.06
Outstanding at end of year			312						$	59.77					7.6						$	—
Exercisable at end of year			103						$	60.49					6.1						$	—
Vested and expected to vest in the future at April 30			302						$	60.18					7.6						$	—

Schedule of Share-based Payment Arrangement, Option, Exercise Price Range

The following table summarizes information about stock options outstanding and exercisable at April 30, 2023:

			Options Outstanding																		Options Exercisable
Range of Exercise Prices			Number of Options (in 000’s)						Weighted Average Remaining Term (in years)						Weighted Average Exercise Price						Number of Options (in 000’s)						Weighted Average Exercise Price
$36.60 to $39.53			13						7.7						$	37.26					3						$	39.53
$45.99 to $53.79			40						8.7						$	51.43					3						$	53.24
$55.62 to $63.07			259						7.5						$	62.17					97						$	61.34
Total/average			312						7.6						$	59.77					103						$	60.49

Schedule of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity

Activity for performance-based and other restricted stock awards during the years ended April 30, was as follows (shares in thousands):

			2023												2022						2021
			Restricted Shares						Weighted Average Grant Date Value						Restricted Shares						Restricted Shares
Nonvested shares at beginning of year			1,274						$	49.17					1,280						943
Granted			540						$	45.23					658						706
Change in shares due to performance			(44)						$	43.29					(3)						118
Vested and issued			(544)						$	47.27					(432)						(362)
Forfeited			(153)						$	48.39					(229)						(125)
Nonvested shares at end of year			1,073						$	48.49					1,274						1,280

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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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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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