Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Summary of accrued expenses

Accrued expenses consist of the following:

	June 30, 2018		December 31, 2017
	(In thousands)
Payroll and benefits	$	113,990	$	134,785
Income taxes payable	23,658		56,664
Accrued settlement costs	19,212		37,783
Deferred revenue and customer advances	16,724		14,740
Accrued severance plan obligations	14,937		15,190
Accrued interest	11,728		11,873
Other accrued expenses	54,099		59,833
Total accrued expenses	$	254,348	$	330,868