XML 51 R44.htm IDEA: XBRL DOCUMENT v2.4.0.8
Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Dec. 31, 2013
Valuation and Qualifying Accounts  
Summary of activity in the allowance for doubtful accounts

 

Allowance for doubtful accounts

 

Balance at
Beginning
of Year

 

Charged to
Costs and
Expenses

 

Deductions

 

Balance at
End of
Year

 

 

 

(In thousands)

 

For the years ended:

 

 

 

 

 

 

 

 

 

December 31, 2013

 

$

13,834

 

$

129,372

 

$

(127,225

)

$

15,981

 

December 31, 2012

 

$

11,916

 

$

117,117

 

$

(115,199

)

$

13,834

 

December 31, 2011

 

$

29,650

 

$

94,709

 

$

(112,443

)

$

11,916