SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment reporting information
Revenue	$ 756,315	$ 799,411	$ 1,496,562	$ 1,541,660
Operating income	95,690	106,696	167,402	191,247
Reconciliation of Adjusted EBITDA to operating income (loss) for the entity's reportable segments
Adjusted EBITDA	141,432	157,938	249,527	284,704
Non-Cash Compensation Expense	(16,552)	(11,820)	(26,165)	(24,483)
Depreciation	(15,257)	(17,036)	(30,075)	(31,052)
Amortization of Intangibles	(13,406)	(18,137)	(25,385)	(32,215)
Acquisition-related contingent consideration fair value adjustments	(527)	(4,249)	(500)	(5,707)
Operating income	95,690	106,696	167,402	191,247
Search & Applications
Segment reporting information
Revenue	395,716	427,449	793,751	824,641
Operating income	77,771	89,346	148,108	176,329
Reconciliation of Adjusted EBITDA to operating income (loss) for the entity's reportable segments
Adjusted EBITDA	91,258	102,420	173,329	199,934
Non-Cash Compensation Expense	0	0	0	(3)
Depreciation	(5,082)	(6,413)	(9,547)	(10,278)
Amortization of Intangibles	(8,405)	(6,661)	(15,674)	(13,324)
Acquisition-related contingent consideration fair value adjustments	0	0	0	0
Operating income	77,771	89,346	148,108	176,329
The Match Group
Segment reporting information
Revenue	214,314	197,987	425,501	390,862
Operating income	61,198	53,129	101,001	90,488
Reconciliation of Adjusted EBITDA to operating income (loss) for the entity's reportable segments
Adjusted EBITDA	69,368	67,685	116,798	115,591
Non-Cash Compensation Expense	(170)	(363)	(187)	(206)
Depreciation	(5,589)	(4,838)	(11,389)	(9,544)
Amortization of Intangibles	(1,684)	(5,106)	(3,521)	(9,646)
Acquisition-related contingent consideration fair value adjustments	(727)	(4,249)	(700)	(5,707)
Operating income	61,198	53,129	101,001	90,488
Media
Segment reporting information
Revenue	36,656	57,495	73,011	102,490
Operating income	(9,794)	(2,033)	(18,360)	(9,190)
Reconciliation of Adjusted EBITDA to operating income (loss) for the entity's reportable segments
Adjusted EBITDA	(8,911)	(1,003)	(16,775)	(7,183)
Non-Cash Compensation Expense	(161)	(213)	(325)	(418)
Depreciation	(224)	(524)	(506)	(1,047)
Amortization of Intangibles	(698)	(293)	(954)	(542)
Acquisition-related contingent consideration fair value adjustments	200	0	200	0
Operating income	(9,794)	(2,033)	(18,360)	(9,190)
eCommerce
Segment reporting information
Revenue	109,949	116,591	204,791	223,888
Operating income	8	(4,603)	(1,553)	(9,096)
Reconciliation of Adjusted EBITDA to operating income (loss) for the entity's reportable segments
Adjusted EBITDA	4,523	4,467	7,327	5,190
Non-Cash Compensation Expense	0	0	0	29
Depreciation	(1,896)	(2,993)	(3,644)	(5,612)
Amortization of Intangibles	(2,619)	(6,077)	(5,236)	(8,703)
Acquisition-related contingent consideration fair value adjustments	0	0	0	0
Operating income	8	(4,603)	(1,553)	(9,096)
Corporate
Segment reporting information
Operating income	(33,493)	(29,143)	(61,794)	(57,284)
Reconciliation of Adjusted EBITDA to operating income (loss) for the entity's reportable segments
Adjusted EBITDA	(14,806)	(15,631)	(31,152)	(28,828)
Non-Cash Compensation Expense	(16,221)	(11,244)	(25,653)	(23,885)
Depreciation	(2,466)	(2,268)	(4,989)	(4,571)
Amortization of Intangibles	0	0	0	0
Acquisition-related contingent consideration fair value adjustments	0
Operating income	(33,493)	(29,143)	(61,794)	(57,284)
Total Eliminations
Segment reporting information
Revenue	$ (320)	$ (111)	$ (492)	$ (221)