CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 143,100	$ 256,060
Adjustments to reconcile net income to net cash provided by operating activities:
Loss (income) from discontinued operations, net of income taxes	10,908	(2,997)
Depreciation and amortization (including impairments)	650,117	644,442
Loss (gain) on investments, net	20,641	(38,988)
Gain on equity derivative contracts, net	(89,616)	(19,715)
Loss on extinguishment of debt and write-off of deferred financing costs	1,735	10,229
Amortization of deferred financing costs and discounts on indebtedness	17,700	17,080
Share-based compensation expense related to equity classified awards	42,847	32,918
Settlement loss and amortization of actuarial losses related to pension and postretirement plans	3,393	6,202
Deferred income taxes	113,136	124,669
Provision for doubtful accounts	28,355	35,994
Excess tax benefit related to share-based awards	(5,592)	(298)
Changes in other assets and liabilities	(16,668)	(36,592)
Net cash provided by operating activities	920,056	1,029,004
Cash flows from investing activities:
Capital expenditures	(603,969)	(629,945)
Proceeds related to sale of equipment, including costs of disposal	4,150	5,009
Decrease in other investments	13,750	0
Increase in other investments	(21,619)	(883)
Additions to other intangible assets	(7,444)	(756)
Net cash used in investing activities	(615,132)	(626,575)
Cash flows from financing activities:
Repayment of credit facility debt	(245,369)	(975,323)
Repayment of notes payable	(2,458)	(2,306)
Proceeds from issuance of senior notes	0	750,000
Repurchase of senior notes, including premiums and fees	0	(27,173)
Proceeds from collateralized indebtedness	617,152	416,621
Repayment of collateralized indebtedness and related derivative contracts	(507,846)	(342,105)
Proceeds from stock option exercises	17,416	43,679
Dividend distributions to common stockholders	(125,170)	(120,513)
Principal payments on capital lease obligations	(14,290)	(11,208)
Deemed repurchases of restricted stock	(18,265)	(6,608)
Additions to deferred financing costs	0	(14,273)
Payment for purchase of noncontrolling interest	(8,300)	0
Distributions to noncontrolling interests, net	(901)	(1,014)
Excess tax benefit related to share-based awards	5,592	298
Net cash used in financing activities	(282,439)	(289,925)
Net increase in cash and cash equivalents from continuing operations	22,485	112,504
Cash flows of discontinued operations:
Net cash used in operating activities	(232)	(1,036)
Net cash provided by (used in) investing activities	(30)	166
Net decrease in cash and cash equivalents from discontinued operations	(262)	(870)
Cash and cash equivalents at beginning of year	850,413	702,224
Cash and cash equivalents at end of period	872,636	813,858
CSC Holdings, LLC
Cash flows from operating activities:
Net income	258,076	371,472
Adjustments to reconcile net income to net cash provided by operating activities:
Loss (income) from discontinued operations, net of income taxes	10,908	(2,997)
Depreciation and amortization (including impairments)	650,117	644,442
Loss (gain) on investments, net	20,641	(38,988)
Gain on equity derivative contracts, net	(89,616)	(19,715)
Loss on extinguishment of debt and write-off of deferred financing costs	1,735	9,618
Amortization of deferred financing costs and discounts on indebtedness	11,070	10,941
Share-based compensation expense related to equity classified awards	42,847	32,918
Settlement loss and amortization of actuarial losses related to pension and postretirement plans	3,393	6,202
Deferred income taxes	44,695	(36,195)
Provision for doubtful accounts	28,355	35,994
Excess tax benefit related to share-based awards	(13,386)	(4,469)
Changes in other assets and liabilities	118,027	207,496
Net cash provided by operating activities	1,086,862	1,216,719
Cash flows from investing activities:
Capital expenditures	(603,969)	(629,945)
Proceeds related to sale of equipment, including costs of disposal	4,150	5,009
Decrease in other investments	13,750	0
Increase in other investments	(21,619)	(883)
Additions to other intangible assets	(7,444)	(756)
Net cash used in investing activities	(615,132)	(626,575)
Cash flows from financing activities:
Repayment of credit facility debt	(245,369)	(975,323)
Repayment of notes payable	(2,458)	(2,306)
Proceeds from issuance of senior notes	0	750,000
Proceeds from collateralized indebtedness	617,152	416,621
Repayment of collateralized indebtedness and related derivative contracts	(507,846)	(342,105)
Distributions to Cablevision	(312,515)	(316,350)
Principal payments on capital lease obligations	(14,290)	(11,208)
Additions to deferred financing costs	0	(14,273)
Payment for purchase of noncontrolling interest	(8,300)	0
Distributions to noncontrolling interests, net	(901)	(1,014)
Excess tax benefit related to share-based awards	13,386	4,469
Net cash used in financing activities	(461,141)	(491,489)
Net increase in cash and cash equivalents from continuing operations	10,589	98,655
Cash flows of discontinued operations:
Net cash used in operating activities	(232)	(1,036)
Net cash provided by (used in) investing activities	(30)	166
Net decrease in cash and cash equivalents from discontinued operations	(262)	(870)
Cash and cash equivalents at beginning of year	813,396	651,058
Cash and cash equivalents at end of period	$ 823,723	$ 748,843