Annual report pursuant to Section 13 and 15(d)

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details) (Allowance for Doubtful Accounts [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Allowance for Doubtful Accounts [Member]
     
VALUATION AND QUALIFYING ACCOUNTS      
Balance at the beginning of Period $ 11,461 $ 9,738 $ 9,394
Charged to Costs and Expenses 10,388 11,095 8,879
Net (Deductions) Recoveries (9,571) (9,372) (8,535)
Balance at the end of Period $ 12,278 $ 11,461 $ 9,738