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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Dec. 31, 2014
Valuation and Qualifying Accounts [Abstract]  
Schedule II Valuation and Qualifying Accounts
Description
 
Balance at
Beginning of
Period
 
Charged to
Costs and
Expenses
 
Deductions
 
Balance at
End of
Period
Year Ended December 31, 2012:
 
 

 
 

 
 

 
 

Allowance for doubtful accounts
 
$
12,575

 
$
504

 
$
(3,117
)
 
$
9,962

Year Ended December 31, 2013:
 
 

 
 

 
 

 
 

Allowance for doubtful accounts
 
$
9,962

 
$
818

 
$
(2,895
)
 
$
7,885

Year Ended December 31, 2014:
 
 

 
 

 
 

 
 

Allowance for doubtful accounts
 
$
7,885

 
$
2,196

 
$
(3,516
)
 
$
6,565