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Pension, Savings, And Other Employee Benefits (Tables)
3 Months Ended
Mar. 31, 2016
Pension, Savings, And Other Employee Benefits [Abstract]  
Schedule Of Components Of Net Periodic Benefit Cost
The components of net periodic benefit cost for the three months ended March 31 are as follows:
Pension BenefitsOther Benefits
(Dollars in thousands) 2016201520162015
Components of net periodic benefit cost
Service cost$10$10$28$37
Interest cost7,8829,020317360
Expected return on plan assets(9,773)(9,392)(229)(241)
Amortization of unrecognized:
Prior service cost/(credit)498343(291)
Actuarial (gain)/loss2,0682,396(233)(244)
Net periodic benefit cost$236$2,117$(74)$(379)