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Earnings (Loss) Per Share (Tables)
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Computation of basic and diluted income (loss) per share
The following table sets forth the computation of basic and diluted income (loss) per share:
 
Years Ended December 31,
 
2012
 
2011
 
2010
 
(In thousands, except per share amounts)
 
CRCS*
 
Other CS**
 
CRCS*
 
Other CS**
 
CRCS*
 
Other CS**
Basic net income (loss) per share:
 
 
 
 
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
 
 
 
 
Allocation of undistributed earnings
$
—

 
$
(134,336
)
 
$
(1,180
)
 
$
(41,873
)
 
$
6,109

 
$
144,808

Denominator:
 
 
 
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding
—

 
110,769

 
4,788

 
107,024

 
4,552

 
107,904

Basic net income (loss) per share
$
—

 
$
(1.21
)
 
$
(0.25
)
 
$
(0.39
)
 
$
1.34

 
$
1.34

Diluted net income (loss) per share:
 
 
 
 
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
 
 
 
 
Allocation of undistributed earnings for basic computation
$
—

 
$
(134,336
)
 
$
(1,180
)
 
$
(41,873
)
 
$
6,109

 
$
144,808

Reallocation of undistributed earnings
—

 
—

 
—

 
—

 
(181
)
 
181

Allocation of undistributed earnings for diluted computation
$
—

 
$
(134,336
)
 
$
(1,180
)
 
$
(41,873
)
 
$
5,928

 
$
144,989

Denominator:
 
 
 
 
 
 
 
 
 
 
 
Number of shares used in basic computation
—

 
110,769

 
4,788

 
107,024

 
4,552

 
107,904

Dilutive potential shares from stock options, ESPP, convertible notes, CRI retention bonuses and nonvested equity stock and stock units
—

 
—

 
—

 
—

 
—

 
3,428

Number of shares used in diluted computation
—

 
110,769

 
4,788

 
107,024

 
4,552

 
111,332

Diluted net income (loss) per share
$
—

 
$
(1.21
)
 
$
(0.25
)
 
$
(0.39
)
 
$
1.30

 
$
1.30


______________________________________
*    CRCS — Contingently Redeemable Common Stock
**    Other CS — Common Stock other than CRCS