Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Summary of Accrued Expenses

Accrued expenses as of March 31, 2014 and December 31, 2013 are as follows:

	March 31, 2014		December 31, 2013
Payroll, benefits and related taxes,              excluding severance benefits	$	21,323	$	19,869
Withholding tax levied on intercompany interest income		24,792		23,872
Interest on senior notes		3,105		6,749
Settlement obligations		4,677		6,460
Outside service fees		3,457		1,462
Others		7,407		7,082
Accrued expenses	$	64,761	$	65,494