DEFERRED REVENUE AND OTHER CURRENT LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2013

DEFERRED REVENUE AND OTHER CURRENT LIABILITIES

Summary of deferred revenue and other current liabilities

	December 31,
	2013		2012
	(in thousands)
Deferred revenue	$	37,193	$	41,465
Accrued payroll		23,023		33,522
Other current liabilities		46,243		41,350
Total	$	106,459	$	116,337