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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Earnings from continuing operations before income taxes $ 92,941 $ 86,414 $ 250,399 $ 200,287
Reclassification out of Accumulated Other Comprehensive Income [Member] | Total Pension and Postretirment Adjustments, Net [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Amortization of prior service costs     722  
Amortization of actuarial losses     (12,630)  
Earnings from continuing operations before income taxes     (11,908)  
Income tax     2,930  
Net earnings     $ (8,978)