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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Costs of Retirement Plans
Defined contribution plan expense, including matching contributions, was approximately (in thousands): 
2016
$
25,740

2015
46,507

2014
30,112

Schedule of Lease Expenses
Information regarding our lease expense is as follows (in thousands): 
2016
$
55,170

2015
56,210

2014
56,871

Operating Leases of Lessee Disclosure
Minimum future lease commitments under noncancelable lease agreements in excess of one year as of December 31, 2016, are as follows (in thousands):
2017
$
47,034

2018
38,531

2019
32,249

2020
29,716

2021
24,393

Thereafter
113,786

Total
$
285,709