XML 114 R92.htm IDEA: XBRL DOCUMENT v3.19.1
Retirement Plans And Other Postretirement Benefits (Components Of Net Periodic Benefit Income Or Cost For Continuing Operations) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Weighted-average assumptions used to determine benefit obligations:      
Defined Benefit Plan Assumption Expected Long Term Return On Assets At Year End 6.00%    
Pension Benefits      
Weighted-average assumptions used to determine benefit obligations:      
Discount rate 4.40% 3.72% 4.29%
Defined Benefit Plan Assumption Expected Long Term Return On Assets At Year End 6.00% 6.50% 6.50%
Weighted-average assumptions used to determine net periodic benefit cost:      
Discount rate 3.72% 4.29% 4.55%
Expected long-term return on plan assets 6.50% 6.50% 7.00%
Components of net periodic benefit cost:      
Service cost $ 17 $ 194 $ 231
Interest cost 11,442 12,575 13,323
Expected return on plan assets (15,011) (14,955) (15,980)
Amortization of prior service costs and gains or losses 13,894 12,320 13,312
Net periodic benefit cost $ 10,342 $ 10,134 $ 10,886
Other Post-Retirement Benefits      
Weighted-average assumptions used to determine benefit obligations:      
Discount rate 4.37% 3.69% 4.24%
Weighted-average assumptions used to determine net periodic benefit cost:      
Discount rate 3.69% 4.24% 4.49%
Components of net periodic benefit cost:      
Service cost $ 36 $ 33 $ 38
Interest cost 271 301 337
Expected return on plan assets 0 0 0
Amortization of prior service costs and gains or losses (243) (275) (214)
Net periodic benefit cost $ 64 $ 59 $ 161