XML 51 R38.htm IDEA: XBRL DOCUMENT v3.8.0.1
Pension and postretirement benefits
9 Months Ended
Sep. 30, 2017
Disclosure Text Block  
Pension and postretirement benefits

Note 30 – Pension and postretirement benefits

The Corporation has a non-contributory defined benefit pension plan and supplementary pension benefit restoration plans for regular employees of certain of its subsidiaries. The accrual of benefits under the plans is frozen to all participants.

The components of net periodic pension cost for the periods presented were as follows:

Pension PlanBenefit Restoration Plans
Quarters ended September 30,Quarters ended September 30,
(In thousands)2017201620172016
Interest cost$6,120$6,291$352$348
Expected return on plan assets(10,186)(9,623)(502)(538)
Amortization of net loss5,0534,881411332
Total net periodic pension cost (benefit)$987$1,549$261$142

Pension PlansBenefit Restoration Plans
Nine months ended September 30,Nine months ended September 30,
(In thousands)2017201620172016
Interest Cost$18,359$18,873$1,057$1,044
Expected return on plan assets(30,557)(28,869)(1,508)(1,614)
Amortization of net loss15,16014,6401,233996
Total net periodic pension cost (benefit)$2,962$4,644$782$426

During the quarter ended September 30, 2017 the Corporation made a contribution to the pension and benefit restoration plans of $16.1 million. The total contributions expected to be paid during the year 2017 for the pension and benefit restoration plans amount to approximately $16.2 million.

The Corporation also provides certain postretirement health care benefits for retired employees of certain subsidiaries. The table that follows presents the components of net periodic postretirement benefit cost.

Postretirement Benefit Plan
Quarters ended September 30,Nine months ended September 30,
(In thousands)2017201620172016
Service cost$256$289$769$867
Interest cost1,4261,5054,2774,515
Amortization of prior service cost(950)(950)(2,850)(2,850)
Amortization of net loss142275426825
Total net periodic postretirement benefit cost$874$1,119$2,622$3,357

Contributions made to the postretirement benefit plan for the quarter ended September 30, 2017 amounted to approximately $1.4 million. The total contributions expected to be paid during the year 2017 for the postretirement benefit plan amount to approximately $6.4 million.