Share Based Compensation Plans (Details) (USD $)	6 Months Ended
	Jul. 30, 2011
Summary of Stock Option Activity
Shares, Beginning Balance	1,563,473
Shares, Granted	131,173
Shares, Exercised	(227,571)
Shares, Forfeited	(3,000)
Shares, Expired	(3,216)
Shares, Ending Balance	1,460,859
Ending Balance, Shares Exercisable	758,924
Weighted Average Exercise Price, Beginning of Period	$ 20.64
Weighted Average Exercise Price, Granted	$ 27.94
Weighted Average Exercise Price, Exercised	$ 15.19
Weighted Average Exercise Price, Forfeited	$ 22.72
Weighted Average Exercise Price, Expired	$ 13.74
Weighted Average Exercise Price, End of Period	$ 22.16
Weighted Average Exercise Price, Exercisable, Ending Balance	$ 20.22
Weighted Average Assumptions used to Fair value Stock option
Risk-free interest rate	2.28%
Expected lives	5.0
Dividend yield	1.79%
Expected volatility	53.44%