Share-Based Compensation (Stock Option Activity) (Details)	9 Months Ended
	Oct. 28, 2017 USD ($) $ / shares shares
Stock Option Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 28, 2017 | shares	189,800
Number of Underlying Shares, Granted | shares	0
Number of Underlying Shares, Exercised | shares	0
Number of Underlying Shares, Forfeited or expired | shares	(88,600)
Number of Underlying Shares, Ending Balance at October 28, 2017 | shares	101,200
Number of Underlying Shares, Stock options exercisable at October 28, 2017 | shares	101,200
Stock Option Activity, Weighted Average Exercise Price
Weighted-Average Exercise Price, Beginning Balance at January 28, 2017 | $ / shares	$ 76.62
Weighted-Average Exercise Price, Granted | $ / shares	0.00
Weighted-Average Exercise Price, Exercised | $ / shares	0.00
Weighted-Average Exercise Price, Forfeited or expired | $ / shares	74.74
Weighted-Average Exercise Price, Ending Balance at October 28, 2017 | $ / shares	78.26
Weighted-Average Exercise Price, Stock options exercisable | $ / shares	$ 78.26
Aggregate Intrinsic Value, Outstanding | $	$ 0
Aggregate Intrinsic Value, Stock options exercisable | $	$ 0
Weighted-Average Remaining Contractual Life (in years), Outstanding	4 months 3 days
Weighted-Average Remaining Contractual Life (in years), Stock options exercisable	4 months 3 days