GEOGRAPHIC INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Geographic Information
Revenues	$ 1,541,153	$ 2,269,903	$ 1,680,238	$ 1,302,012	$ 1,190,640	$ 1,706,310	$ 1,326,759	$ 1,037,247	$ 6,793,306	$ 5,260,956	$ 4,355,610
Intangible assets, net	1,019,985				208,113				1,019,985	208,113	200,151
Goodwill	1,767,912				522,672				1,767,912	522,672	504,784
Other long-lived assets	175,622				156,582				175,622	156,582	198,892
United States [Member]
Geographic Information
Revenues									1,769,696	1,661,710	1,761,065
Intangible assets, net	838,494				1,337				838,494	1,337	1,776
Goodwill	1,247,686				37,306				1,247,686	37,306	37,306
Other long-lived assets	49,750				76,623				49,750	76,623	148,150
The Netherlands [Member]
Geographic Information
Revenues									4,103,393	2,675,976	1,638,851
Intangible assets, net	123,847				137,255				123,847	137,255	78,850
Goodwill	156,261				149,464				156,261	149,464	142,576
Other long-lived assets	61,164				37,035				61,164	37,035	22,716
Other Countries [Member]
Geographic Information
Revenues									920,217	923,270	955,694
Intangible assets, net	57,644				69,521				57,644	69,521	119,525
Goodwill	363,965				335,902				363,965	335,902	324,902
Other long-lived assets	64,708				42,924				64,708	42,924	28,026
United Kingdom [Member]
Geographic Information
Revenues										$ 491,000	$ 709,000