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SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
(in thousands)
 
Balance at
beginning of
period
 
Additions
charged to
costs and
expenses
 
 
 
Deductions
 
Balance at
end of
period
Allowance for Doubtful Accounts:
 
 
 
 
 
 
 
 
 
For the year ended December 31, 2012
$
11,562

 
$
4,066

 
 
 
$
(6,851
)
 
$
8,777

For the year ended December 31, 2011
7,654

 
8,541

 
  
 
(4,633
)
 
11,562

For the year ended December 31, 2010
9,304

 
10,285

 
  
 
(11,935
)
 
7,654

 
 
 
 
 
 
 
 
 
 
Valuation allowance on deferred tax assets:
 
 
 
 
 
 
 
 
 
For the year ended December 31, 2012
$
4,667

 
$
—

 
 
 
$
(1,789
)
 
$
2,878

For the year ended December 31, 2011
13,376

 
258

 
  
 
(8,967
)
 
4,667

For the year ended December 31, 2010
11,339

 
3,354

 
(1
)
 
(1,315
)
 
13,376

 
 
(1)
Additions for 2010 include $0.8 million of valuation allowance on deferred tax assets acquired in the Odyssey transaction.