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INCOME TAXES (Components Of Earnings From Continuing Operations Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
INCOME TAXES [Abstract]      
Domestic $ 346,668 $ 513,721 $ 293,547
Foreign 14,648 33,536 34,310
Earnings from continuing operations before income taxes $ 361,316 $ 547,257 $ 327,857