Share-Based Compensation (Schedule Of Stock Option Activity Under Plan) (Details) - $ / shares
|
3 Months Ended |
12 Months Ended |
May 05, 2018 |
Feb. 03, 2018 |
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
|
| Stock Option Maximum Term |
10 years
|
|
| Stock Option Vesting Period |
4 years
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
| Options outstanding, Balance (shares) |
519,485
|
|
| Options outstanding, Exercised (shares) |
(39,237)
|
|
| Options outstanding, Balance (shares) |
480,248
|
519,485
|
| Options outstanding, Exercisable (shares) |
391,582,000
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] |
|
|
| Weighted average exercise price, Balance (dollars per share) |
$ 29,530
|
|
| Weighted average exercise price, Exercised (dollars per share) |
31,210
|
|
| Weighted average exercise price, Balance (dollars per share) |
29,390
|
$ 29,530
|
| Weighted average exercise price, Exercisable (dollars per share) |
$ 28,300
|
|
| Weighted Average Remaining Contractual Term (in years) |
5 years 8 months
|
5 years 11 months
|
| Weighted average remaining contractual term, Exercisable |
5 years 5 months
|
|