Earnings per share (Tables)

6 Months Ended

Jul. 29, 2011

Earnings per share

Schedule of computation of earnings per share

	13 Weeks Ended July 29, 2011					13 Weeks Ended July 30, 2010
	Net Income		Shares	Per Share Amount		Net Income		Shares	Per Share Amount
Basic earnings per share	$	146,042	341,534	$	0.43	$	141,195	341,001	$	0.41
Effect of dilutive share-based awards			4,091					3,745
Diluted earnings per share	$	146,042	345,625	$	0.42	$	141,195	344,746	$	0.41

	26 Weeks Ended July 29, 2011					26 Weeks Ended July 30, 2010
	Net Income		Shares	Per Share Amount		Net Income		Shares	Per Share Amount
Basic earnings per share	$	303,011	341,528	$	0.89	$	277,191	340,910	$	0.81
Effect of dilutive share-based awards			3,981					3,662
Diluted earnings per share	$	303,011	345,509	$	0.88	$	277,191	344,572	$	0.80