SEGMENT AND GEOGRAPHIC INFORMATION (Total Revenue by Major Geographic Area) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Total Revenues	$ 205,547	$ 196,652	$ 210,170	$ 196,185	$ 402,199	$ 406,355
United States
Segment Reporting Information [Line Items]
Total Revenues	157,166		163,483		307,185	312,157
Europe
Segment Reporting Information [Line Items]
Total Revenues	23,776		22,884		47,393	46,552
Rest of World
Segment Reporting Information [Line Items]
Total Revenues	$ 24,605		$ 23,803		$ 47,621	$ 47,646