Accrued Liabilities

12 Months Ended

Dec. 31, 2018

Accrued Liabilities [Abstract]

Accrued liabilities [Text Block]

Accrued Liabilities

	December 31,
(In thousands)	2018		2017
Accrued insurance costs	$	109,505	$	124,760
Accrued compensation	55,789		37,783
Deferred revenue	53,348		51,742
Taxes other than income	27,711		27,415
Income taxes payable	26,797		—
Accrued legal settlement	11,000		—
Deferred compensation	8,687		11,323
Accrued interest payable	5,643		5,707
Deferred rent	3,503		3,937
Accrued other	35,476		35,351
Total Accrued liabilities	$	337,459	$	298,018