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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Earnings from continuing operations before income taxes $ 96,481 $ 72,711 $ 157,458 $ 113,873
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     454  
Amortization of actuarial losses     (7,795)  
Earnings from continuing operations before income taxes     (7,341)  
Income tax     1,808  
Net earnings     $ (5,533)