Earnings Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Earnings Per Share [Abstract]
Net income	$ 69,467	$ 84,163	$ 139,450	$ 148,984
Weighted average common shares outstanding - basic	119,950	122,901	120,544	122,802
Dilutive effect of stock-based awards (in shares)	1,890	2,692	2,056	2,926
Weighted average common shares outstanding - diluted	121,840	125,593	122,600	125,728
Earnings per common share - basic (in dollars per share)	$ 0.58	$ 0.68	$ 1.16	$ 1.21
Earnings per common share - diluted (in dollars per share)	$ 0.57	$ 0.67	$ 1.14	$ 1.18
Anti-dilutive stock-based awards excluded from diluted calculation (in shares)	1,903	1,095	1,438	922

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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