Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Weighted average grant-date fair value of non-vested options outstanding.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Share-Based Compensation (Restricted Stock Units and Performance-Based Restricted Stock Units) (Details) - USD ($)	3 Months Ended	6 Months Ended		12 Months Ended	53 Months Ended
	Apr. 30, 2022	Jul. 30, 2022	Jul. 31, 2021	Jan. 29, 2022	Jul. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase and retirement of common stock	$ 40,007,000	$ 40		$ 60,000,000	$ 150,000,000
Unrecognized compensation costs related to non-vested share-based compensation		$ 44,900,000			$ 44,900,000
Compensation cost not yet recognized, period for recognition (years)		2 years 4 months 24 days
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number		234,493		254,295	234,493
Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price		$ 133.92		$ 126.93	$ 133.92
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		108,241
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 141.28
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		(112,749)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value		$ 108.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period		(15,294)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value		$ 139.47
Restricted Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (years)		1 year
Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (years)		4 years
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number		469,180		349,236	469,180
Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price		$ 126.50		$ 163.16	$ 126.50
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		127,598
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 165.90
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value		$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period		(7,654)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value		$ 161.29
Performance-Based Restricted Stock Units Based On Market Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (years)		3 years
Treasury Stoc \| Restricted Stock Units And Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased During Period, Shares		28,832	36,561
Additional paid-in capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase and retirement of common stock	$ 40,005,000
Additional paid-in capital \| Restricted Stock Units And Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase and retirement of common stock		$ 4,400,000	$ 7,000,000