FAIR VALUE MEASUREMENT (Tables)

6 Months Ended

Jun. 30, 2017

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:



	Fair Value Hierarchy	June 30, 2017		December 31, 2016
Assets:
Money market funds (of which $350,120 and $14,700 is classified as restricted cash as of June 30, 2017 and December 31, 2016, respectively)	Level I	$	438,719	$	100,139
Investment securities pledged as collateral	Level I	1,671,818		1,483,030
Prepaid forward contracts	Level II	91,374		10,956
Liabilities:
Prepaid forward contracts	Level II	166,290		13,158
Interest rate swap contracts	Level II	70,323		78,823

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

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



		June 30, 2017				December 31, 2016
	Fair Value Hierarchy	Carrying Amount (a)		Estimated Fair Value		Carrying Amount (a)		Estimated Fair Value
Altice USA debt instruments:
Notes payable to affiliates	Level II	$	—	$	—	$	1,750,000	$	1,837,876
CSC Holdings debt instruments:
Credit facility debt	Level II	3,606,028		3,650,256		2,631,887		2,675,256
Collateralized indebtedness	Level II	1,308,388		1,272,012		1,286,069		1,280,048
Senior guaranteed notes	Level II	2,290,319		2,492,803		2,289,494		2,416,375
Senior notes and debentures	Level II	6,727,050		7,792,459		6,732,816		7,731,150
Notes payable	Level II	87,631		124,979		13,726		13,260
Cablevision senior notes	Level II	2,220,486		2,428,236		2,742,082		2,920,056
Cequel debt instruments:
Cequel credit facility	Level II	1,256,661		1,265,000		812,903		815,000
Senior secured notes	Level II	2,568,628		2,728,250		2,566,802		2,689,750
Senior notes	Level II	2,754,502		3,045,246		3,176,131		3,517,275
		$	22,819,693	$	24,799,241	$	24,001,910	$	25,896,046


(a)	Amounts are net of unamortized deferred financing costs and discounts.