COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Costs of Retirement Plans

Defined contribution plan expense, including matching contributions, was approximately (in thousands):

2017	$	27,530
2016	25,740
2015	46,507

Schedule of Lease Expenses

Information regarding our lease expense is as follows (in thousands):

2017	$	60,864
2016	55,170
2015	56,210

Operating Leases of Lessee Disclosure

Minimum future lease commitments under noncancelable lease agreements in excess of one year as of December 31, 2017, are as follows (in thousands):

2018	$	51,273
2019	46,172
2020	39,825
2021	29,851
2022	22,807
Thereafter	92,797
Total	$	282,725