FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

FAIR VALUE MEASUREMENTS

Schedule of fair value hierarchy of the entity's financial assets carried at fair value on a recurring basis

			Fair Value Measurements at March 31, 2015 Using
(In thousands)	Total Carrying Value at March 31, 2015		Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Other long-term assets:
Money market mutual funds	$	240	$	240	$	—	$	—
Equity securities, available-for-sale:
RealD Inc. common stock		15,639		15,639		—		—
Mutual fund large U.S. equity		3,200		3,200		—		—
Mutual fund small/mid U.S. equity		2,148		2,148		—		—
Mutual fund international		865		865		—		—
Mutual fund balance		762		762		—		—
Mutual fund fixed income		829		829		—		—
Total assets at fair value	$	23,683	$	23,683	$	—	$	—

			Fair Value Measurements at December 31, 2014 Using
	Total Carrying Value at December 31, 2014
(In thousands)			Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Other long-term assets:
Money market mutual funds	$	224	$	224	$	—	$	—
Equity securities, available-for-sale:
RealD Inc. common stock		14,429		14,429		—		—
Mutual fund large U.S. equity		2,879		2,879		—		—
Mutual fund small/mid U.S. equity		1,558		1,558		—		—
Mutual fund international		717		717		—		—
Mutual fund balance		760		760		—		—
Mutual fund fixed income		541		541		—		—
Total assets at fair value	$	21,108	$	21,108	$	—	$	—

			Fair Value Measurements at December 31, 2013 Using
	Total Carrying Value at December 31, 2013
(In thousands)			Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Other long-term assets:
Money market mutual funds	$	84	$	84	$	—	$	—
Equity securities, available-for-sale:
RealD Inc. common stock		10,442		10,442		—		—
Mutual fund large U.S. equity		2,563		2,563		—		—
Mutual fund small/mid U.S. equity		982		982		—		—
Mutual fund international		503		503		—		—
Mutual fund balance		456		456		—		—
Mutual fund fixed income		351		351		—		—
Total assets at fair value	$	15,381	$	15,381	$	—	$	—

Summary of fair value hierarchy of the Company's assets that were measured at fair value on a nonrecurring basis

			Fair Value Measurements at December 31, 2014 Using
	Total Carrying Value at December 31, 2014
(In thousands)			Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total Losses
Property, net:
Property owned, net	$	2,342	$	—	$	—	$	2,342	$	3,149

Schedule of fair value of financial instruments that are not recognized at fair value in the statement of financial position for which it is practicable to estimate fair value

			Fair Value Measurements at March 31, 2015 Using
(In thousands)	Total Carrying Value at March 31, 2015		Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Current maturities of corporate borrowings	$	15,873	$	—	$	14,577	$	1,389
Corporate borrowings		1,771,628		—		1,788,035		5,555

			Fair Value Measurements at December 31, 2014 Using
	Total Carrying Value at December 31, 2014
(In thousands)			Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Current Maturities of Corporate Borrowings	$	15,873	$	—	$	14,390	$	1,389
Corporate Borrowings		1,775,132		—		1,765,678		5,555

			Fair Value Measurements at December 31, 2013 Using
	Total Carrying Value at December 31, 2013
(In thousands)			Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Current Maturities of Corporate Borrowings	$	9,139	$	—	$	7,779	$	1,389
Corporate Borrowings		2,069,672		—		2,090,332		6,944