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CONSOLIDATED BALANCE SHEETS PARENTHETICAL - $ / shares
Dec. 31, 2018
Dec. 31, 2017
Common Stock Par Value $ 1 $ 1
Common stock authorized 100,000,000 100,000,000
CommonStockSharesIssued 49,187,378 49,187,378
CommonStockSharesOutstanding 42,772,417 44,123,519
TreasuryStockShares 6,414,961 5,063,859