SEGMENT INFORMATION (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Revenue and long-lived assets by geography
Revenue	$ 756,315	$ 799,411	$ 1,496,562	$ 1,541,660
Long-lived assets (excluding goodwill and intangible assets)	291,289		291,289		293,964
United States
Revenue and long-lived assets by geography
Revenue	511,862	551,880	1,016,265	1,066,494
Long-lived assets (excluding goodwill and intangible assets)	269,746		269,746		271,916
All Other Countries [Member]
Revenue and long-lived assets by geography
Revenue	244,453	247,531	480,297	475,166
Long-lived assets (excluding goodwill and intangible assets)	$ 21,543		$ 21,543		$ 22,048