COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Costs of Retirement Plans

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

2018	$	43,172
2017	27,530
2016	25,740

Schedule of Lease Expenses

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

2018	$	72,327
2017	60,864
2016	55,170

Operating Leases of Lessee Disclosure

Minimum future lease commitments under noncancelable lease agreements in excess of one year as of December 31, 2018, are as follows (in thousands):

2019	$	53,675
2020	47,680
2021	36,832
2022	27,644
2023	19,406
Thereafter	81,465
Total	$	266,702