Share-Based Compensation (Options Granted Under Stock Option Plans) (Details) shares in Thousands	9 Months Ended
	Nov. 03, 2018 $ / shares shares
Number of Shares
Options outstanding at beginning of year	2,739
Granted	397
Exercised	(134)
Expired or cancelled	(96)
Options outstanding at end of period	2,906
Options exercisable at end of period	2,025
Options available for future grant at end of period	8,245
Weighted-Average Exercise Price
Options outstanding at beginning of year | $ / shares	$ 52.45
Granted | $ / shares	44.95
Exercised | $ / shares	31.47
Expired or cancelled | $ / shares	60.68
Options outstanding at end of period | $ / shares	52.12
Options exercisable at end of period | $ / shares	$ 49.83
Options outstanding, weighted-average remaining contractual life	6 years 3 months 18 days
Options exercisable at end of period, Weighted-average remaining contractual life	5 years 2 months 12 days