Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consist of the following:

(In thousands)	December 31, 2017		December 31, 2016
Interest	$	30,262	$	15,770
Employee related costs	117,850		122,590
Income taxes payable	19,558		43,083
Other accrued expenses	95,406		102,986
Total accrued liabilities	$	263,076	$	284,429