Share-Based Compensation (Options Granted Under Stock Option Plans) (Details) shares in Thousands	3 Months Ended
	May 04, 2019 $ / shares shares
Number of Shares
Options outstanding at beginning of year | shares	2,861
Granted | shares	316
Exercised | shares	(156)
Expired or cancelled | shares	(22)
Options outstanding at end of period | shares	2,999
Options exercisable at end of period | shares	2,221
Weighted-Average Exercise Price
Options outstanding at beginning of year | $ / shares	$ 52.34
Granted | $ / shares	58.96
Exercised | $ / shares	27.34
Expired or cancelled | $ / shares	60.56
Options outstanding at end of period | $ / shares	54.28
Options exercisable at end of period | $ / shares	$ 53.74
Options outstanding, weighted-average remaining contractual life	6 years 4 months 24 days
Options exercisable at end of period, Weighted-average remaining contractual life	5 years 6 months