Shareholders' Equity - Service-Based Restricted Share Awards (Details) - Restricted shares and restricted share units, excluding TSR-based restricted share units	9 Months Ended
	Oct. 28, 2023 $ / shares shares
Number of Shares
Awards outstanding at beginning of year (in shares) | shares	212,945
Awards granted (in shares) | shares	60,105
Awards vested, including awards repurchased from employees for employees' tax liability (in shares) | shares	(111,095)
Awards forfeited (in shares) | shares	(2,670)
Awards outstanding at end of period (in shares) | shares	159,285
Weighted-average grant date fair value
Awards outstanding at beginning of year (in dollars per share) | $ / shares	$ 64
Awards granted/issued (in dollars per share) | $ / shares	115
Awards vested, including awards repurchased from employees for employees' tax liability (in dollars per share) | $ / shares	41
Awards forfeited (in dollars per share) | $ / shares	80
Awards outstanding at end of period (in dollars per share) | $ / shares	$ 99