Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001047127 (http://www.sec.gov/CIK)

Payables and Accruals [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Payables and Accruals [Abstract]
Summarized Accrued expenses	Accrued expenses consist of the following:   December 31,   2016   2015   (In thousands) Payroll and benefits $ 117,636   $ 95,011 Deferred revenue and customer advances 65,653   49,243 Income taxes payable 37,961   21,448 Accrued settlement costs 35,304   32,987 Accrued severance plan obligations (Note 14) 14,053   14,306 Accrued interest 13,046   12,920 Other accrued expenses 55,016   38,297 Total accrued expenses $ 338,669   $ 264,212