XML 17 R7.htm IDEA: XBRL DOCUMENT v3.19.1
CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]    
Tax effect of gain (losses) on derivatives qualifying as hedges $ 44 $ 732
Tax effect of pension liability and postretirement adjustment $ 836 $ 1,894
Cash dividends declared, per share $ 0.73 $ 0.69