FAIR VALUE MEASUREMENT (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Measurement [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents for each of these hierarchy levels, the Company's financial assets and financial liabilities that are measured at fair value on a recurring basis at December 31, 2011 and December 31, 2010:

At December 31, 2011:
	Level I		Level II		Level III		Total
Assets:
Money market funds	$	556,853	$	-	$	-	$	556,853
Restricted money market funds		27,920		-		-		27,920
Investment securities		113		-		-		113
Investment securities pledged as collateral		509,234		-		-		509,234
Prepaid forward contracts		-		18,617		-		18,617
Liabilities:
Liabilities under derivative contracts:
Prepaid forward contracts		-		22,981		-		22,981
Interest rate swap contracts		-		55,383		-		55,383

At December 31, 2010:
	Level I		Level II		Level III		Total
Assets:
Money market funds	$	259,463	$	-	$	-	$	259,463
Investment securities		101		-		-		101
Investment securities pledged as collateral		471,864		-		-		471,864
Liabilities:
Liabilities under derivative contracts:
Prepaid forward contracts		-		59,300		-		59,300
Interest rate swap contracts		-		167,278		-		167,278

Carrying Values and Estimated Fair Values of Financial Instruments, Excluding Those Carried at Fair Value

The carrying values and estimated fair values of the Company's financial instruments, excluding those that are carried at fair value in the accompanying consolidated balance sheets, are summarized as follows:

	December 31, 2011
	Carrying Amount		Estimated Fair Value
CSC Holdings notes receivable:
Cablevision senior notes held by Newsday Holdings LLC(a)	$	753,717	$	802,268
Debt instruments:
Credit facility debt(b)	$	5,184,194	$	5,198,987
Collateralized indebtedness		455,938		446,660
Senior notes and debentures		3,279,694		3,627,852
Notes payable		29,227		29,227
CSC Holdings total debt instruments		8,949,053		9,302,726
Cablevision senior notes and debentures		2,166,966		2,355,160
Cablevision total debt instruments	$	11,116,019	$	11,657,886

	December 31, 2010
	Carrying Amount		Estimated Fair Value
CSC Holdings notes receivable:
Cablevision senior notes held by Newsday Holdings LLC(a)	$	753,717	$	795,508
Debt instruments:
Credit facility debt(b)	$	5,756,510	$	5,802,917
Collateralized indebtedness		352,606		349,853
Senior notes and debentures		3,402,505		3,781,994
CSC Holdings total debt instruments		9,511,621		9,934,764
Cablevision senior notes and debentures		2,165,688		2,328,644
Cablevision total debt instruments	$	11,677,309	$	12,263,408

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(a) These notes are eliminated at the consolidated Cablevision level.

(b) The carrying value of the Company's credit facility debt, the substantial portion of which bears interest at variable rates approximates its fair value.