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INCOME TAXES - SCHEDULE OF COMPONENTS OF INCOME TAX EXPENSE (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Current taxes      
Federal $ 65,614 $ 45,812 $ 69,495
State 6,489 4,565 7,161
Foreign 3,502 2,309 27,081
Total current 75,605 52,686 103,737
Deferred taxes      
Federal (42,835) 29,593 14,525
State (2,938) 3,767 2,522
Foreign 599 9,491 (12,068)
Total deferred (45,174) 42,851 4,979
Income tax expense $ 30,431 $ 95,537 $ 108,716