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Schedule II
 12 Months Ended
Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract]  
Schedule II
 
Balance at
Beginning
of Year
 
Changes
to Expense
 
 
Deductions‑
Write-offs
 
Balance at
End
of Year
 
(In thousands)
Allowance for doubtful accounts receivable:
 
 
 
 
 
 
 
 
Year ended December 31, 2012
$
11,833

 
$
(18
)
 
 
$
(810
)
 
$
11,005

Year ended December 31, 2011
$
11,847

 
$
(14
)
 
 
$
—

 
$
11,833

Year ended December 31, 2010
$
11,930

 
$
(76
)
 
 
$
(7
)
 
$
11,847

Valuation/Allowance for deferred tax assets:
 
 
 
 
 
 
 
 
Year ended December 31, 2012
$
38,742

 
$
2,935

 
 
$
(406
)
 
$
41,271

Year ended December 31, 2011
$
85,755

 
$
(47,013
)
 
 
$
—

 
$
38,742

Year ended December 31, 2010
$
197,407

 
$
(111,652
)
(1)
 
$
—

 
$
85,755


(1)
Includes a tax benefit of $116.7 million attributable to the release of valuation allowances, as disclosed in Note 12 of the consolidated financial statements.