CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Income from continuing operations	$ 138,553	$ 65,249
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization (including impairments)	492,788	433,190
Gain on investments, net	(72,384)	(10,928)
Loss on equity derivative contracts, net	42,881	2,741
Loss on extinguishment of debt and write-off of deferred financing costs	0	110,049
Amortization of deferred financing costs and discounts on indebtedness	23,200	20,073
Share-based compensation expense related to equity classified awards	25,604	23,713
Deferred income taxes	90,992	21,888
Provision for doubtful accounts	25,080	27,099
Changes in other assets and liabilities	(67,122)	(68,729)
Net cash provided by operating activities	699,592	624,345
Cash flows from investing activities:
Capital expenditures	(345,298)	(353,045)
Proceeds from sale of equipment, net of costs of disposal	476	2,458
Payments for acquisitions, net	(7,776)	0
Decrease in investment securities and other investments	30	100
Increase in restricted cash	(1,730)	0
Increase in investment in AMC Networks	0	(145,766)
Additions to other intangible assets	(1,294)	(1,099)
Net cash used in investing activities	(355,592)	(497,352)
Cash flows from financing activities:
Proceeds from credit facility debt	605,000	400,000
Repayment of credit facility debt	(128,726)	(352,677)
Proceeds from issuance of senior notes	0	1,250,000
Repurchase of senior notes and debentures, including tender premiums and fees	0	(1,078,212)
Repayment of senior notes	(325,796)	0
Proceeds from collateralized indebtedness	191,688	97,863
Repayment of collateralized indebtedness	(163,686)	(97,863)
Proceeds from stock option exercises	5,893	16,749
Dividend distributions to common stockholders	(79,507)	(67,503)
Principal payments on capital lease obligations	(714)	(679)
Deemed repurchases of restricted stock	(32,761)	(17,623)
Purchase of shares of CNYG Class A common stock, pursuant to a share repurchase program, held as treasury shares	(394,540)	(27,180)
Additions to deferred financing costs	(149)	(39,866)
Distributions to noncontrolling interests	(133)	(635)
Net cash provided by (used in) financing activities	(323,431)	82,374
Net increase in cash and cash equivalents from continuing operations	20,569	209,367
Cash flows of discontinued operations:
Net cash provided by operating activities	141,397	133,426
Net cash used in investing activities	(4,086)	(7,707)
Net cash provided by (used in) financing activities	2,857	(96,978)
Effect of change in cash related to discontinued operations	(117,877)	(6,713)
Net increase in cash and cash equivalents from discontinued operations	22,291	22,028
Cash and cash equivalents at beginning of year	313,991	215,204
Cash and cash equivalents at end of period	356,851	446,599
CSC Holdings, LLC [Member]
Cash flows from operating activities:
Income from continuing operations	203,044	204,351
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization (including impairments)	492,788	433,190
Gain on investments, net	(72,384)	(10,928)
Loss on equity derivative contracts, net	42,881	2,741
Amortization of deferred financing costs and discounts on indebtedness	20,468	17,302
Accretion of discount on Cablevision senior notes held by Newsday Holdings LLC	0	(3,131)
Share-based compensation expense related to equity classified awards	25,604	23,713
Deferred income taxes	138,729	105,708
Provision for doubtful accounts	25,080	27,099
Excess tax benefit on share-based awards	(7,123)	0
Changes in other assets and liabilities	(56,531)	(39,306)
Net cash provided by operating activities	812,556	760,739
Cash flows from investing activities:
Capital expenditures	(345,298)	(353,045)
Proceeds from sale of equipment, net of costs of disposal	476	2,458
Payments for acquisitions, net	(7,776)	0
Decrease in investment securities and other investments	30	100
Increase in restricted cash	(1,730)	0
Increase in investment in AMC Networks	0	(145,766)
Additions to other intangible assets	(1,294)	(1,099)
Net cash used in investing activities	(355,592)	(497,352)
Cash flows from financing activities:
Proceeds from credit facility debt	605,000	400,000
Repayment of credit facility debt	(128,726)	(352,677)
Repayment of senior notes	(325,796)	0
Proceeds from collateralized indebtedness	191,688	97,863
Repayment of collateralized indebtedness	(163,686)	(97,863)
Dividend payments to sole member, net	(574,325)	(124,011)
Excess tax benefit on share-based awards	7,123	0
Principal payments on capital lease obligations	(714)	(679)
Additions to deferred financing costs	(149)	(13,365)
Distributions to noncontrolling interests	(133)	(635)
Net cash provided by (used in) financing activities	(389,718)	(91,367)
Net increase in cash and cash equivalents from continuing operations	67,246	172,020
Cash flows of discontinued operations:
Net cash provided by operating activities	141,397	133,426
Net cash used in investing activities	(4,086)	(7,707)
Net cash provided by (used in) financing activities	2,857	(96,978)
Effect of change in cash related to discontinued operations	(117,877)	(6,713)
Net increase in cash and cash equivalents from discontinued operations	22,291	22,028
Cash and cash equivalents at beginning of year	266,914	174,212
Cash and cash equivalents at end of period	$ 356,451	$ 368,260