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Earnings Per Share
 6 Months Ended
Mar. 01, 2012
Notes to Financial Statements [Abstract]  
Earnings Per Share
Earnings Per Share

Basic earnings per share is computed based on the weighted-average number of common shares and stock rights outstanding.  Diluted earnings per share is computed based on the weighted-average number of common shares and stock rights outstanding plus the dilutive effects of equity awards, convertible notes and escrow shares.  Potential common shares that would increase earnings per share amounts or decrease loss per share amounts are antidilutive and are therefore excluded from diluted earnings per share calculations.  Antidilutive potential common shares that could dilute basic earnings per share in the future were 290.9 million for the second quarter and first six months of 2012, and 166.0 million and 167.5 million for the second quarter and first six months of 2011, respectively.

 
 
Quarter Ended
 
Six Months Ended
 
 
March 1,
2012
 
March 3,
2011
 
March 1,
2012
 
March 3,
2011
Net income (loss) available to Micron shareholders – Basic
 
$
(282
)
 
$
72

 
$
(469
)
 
$
227

Net effect of assumed conversion of debt
 
—

 
2

 
—

 
4

Net income (loss) available to Micron shareholders – Diluted
 
$
(282
)
 
$
74

 
$
(469
)
 
$
231

 
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding – Basic
 
982.8

 
988.1

 
982.1

 
980.5

Net effect of dilutive equity awards, escrow shares and assumed conversion of debt
 
—

 
49.2

 
—

 
54.0

Weighted-average common shares outstanding – Diluted
 
982.8

 
1,037.3

 
982.1

 
1,034.5

 
 
 
 
 
 
 
 
 
Earnings (loss) per share:
 
 
 
 
 
 
 
 
Basic
 
$
(0.29
)
 
$
0.07

 
$
(0.48
)
 
$
0.23

Diluted
 
(0.29
)
 
0.07

 
(0.48
)
 
0.22