Share-Based Compensation (Stock Option Activity) (Details) (USD $)	3 Months Ended
	May 03, 2014
Stock Option Activity, Number of Underlying Shares
Outstanding, Number of Underlying Shares, Beginning Balance	532,400
Granted, Number of Underlying Shares	0
Exercised, Number of Underlying Shares	(5,000)
Forfeited or expired, Number of Underlying Shares	(1,200)
Outstanding, Number of Underlying Shares, Ending Balance	526,200
Stock Option Activity, Weighted Average Exercise Price
Outstanding, Weighted-Average Exercise Price, Beginning Balance	$ 65.37
Granted, Weighted-Average Exercise Price	$ 0.00
Exercised, Weighted-Average Exercise Price	$ 31.07
Forfeited or expired, Weighted-Average Exercise Price	$ 78.65
Outstanding, Weighted-Average Exercise Price, Ending Balance	$ 65.66
Outstanding, Aggregate Intrinsic Value	$ 1,093,780
Outstanding, Weighted-Average Remaining Contractual Life (in years)	3 years 1 month
Stock options exercisable, Number of Underlying Shares	526,200
Stock options exercisable, Weighted-Average Exercise Price	$ 65.66
Stock options exercisable, Aggregate Intrinsic Value	$ 1,093,780
Stock options exercisable, Weighted-Average Remaining Contractual Life (in years)	3 years 1 month