CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 175,248	$ 312,204	$ 465,641
Defined benefit pension and postretirement plans:
Unrecognized actuarial gain (loss)	2,694	(6,866)	(21,842)
Applicable income taxes	(1,106)	2,815	8,984
Unrecognized income (loss) arising during period, net of income taxes	1,588	(4,051)	(12,858)
Amortization of actuarial losses, net included in net periodic benefit cost	1,224	2,296	1,575
Applicable income taxes	(502)	(941)	(648)
Amortization of actuarial losses, net included in net periodic benefit cost, net of income taxes	722	1,355	927
Settlement loss included in net periodic benefit cost	3,822	5,347	0
Applicable income taxes	(1,569)	(2,192)	0
Settlement loss included in net periodic benefit cost, net of income taxes	2,253	3,155	0
Other comprehensive income (loss)	4,563	459	(11,931)
Comprehensive income	179,811	312,663	453,710
Comprehensive loss (income) attributable to noncontrolling interests	201	(765)	20
Comprehensive income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	180,012	311,898	453,730
CSC Holdings, LLC
Net income	331,651	462,773	620,055
Defined benefit pension and postretirement plans:
Unrecognized actuarial gain (loss)	2,694	(6,866)	(21,842)
Applicable income taxes	(1,106)	2,815	8,984
Unrecognized income (loss) arising during period, net of income taxes	1,588	(4,051)	(12,858)
Amortization of actuarial losses, net included in net periodic benefit cost	1,224	2,296	1,575
Applicable income taxes	(502)	(941)	(648)
Amortization of actuarial losses, net included in net periodic benefit cost, net of income taxes	722	1,355	927
Settlement loss included in net periodic benefit cost	3,822	5,347	0
Applicable income taxes	(1,569)	(2,192)	0
Settlement loss included in net periodic benefit cost, net of income taxes	2,253	3,155	0
Other comprehensive income (loss)	4,563	459	(11,931)
Comprehensive income	336,214	463,232	608,124
Comprehensive loss (income) attributable to noncontrolling interests	201	(765)	20
Comprehensive income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	$ 336,415	$ 462,467	$ 608,144