Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2011

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, 2011	$	29,650	$	100,321	$	(117,621	)	$	12,350
December 31, 2010	$	16,372	$	115,478	$	(102,200	)	$	29,650
December 31, 2009	$	15,207	$	112,025	$	(110,860	)	$	16,372