Net Income Per Share (Tables)

12 Months Ended

Jan. 27, 2013

Notes to financial statements [Abstract]

Reconciliation of numerators and denominators of basic and diluted net income (loss) per share computations

	Year Ended
	January 27, 2013		January 29, 2012		January 30, 2011
	(In thousands, except per share data)
Numerator:
Net income	$	562,536	$	581,090	$	253,146
Denominator:
Denominator for basic net income per share, weighted average shares	619,324		603,646		575,177
Effect of dilutive securities:
Equity awards outstanding	5,633		12,725		13,507
Denominator for diluted net income per share, weighted average shares	624,957		616,371		588,684
Net income per share:
Basic net income per share	$	0.91	$	0.96	$	0.44
Diluted net income per share	$	0.90	$	0.94	$	0.43
Potentially dilutive securities excluded from income per diluted share because their effect would have been anti-dilutive	26,784		22,617		24,646