v2.4.0.8
Employee And Retiree Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2013
Employee And Retiree Benefit Plans [Abstract]  
Summary Of Components Of Net Periodic Benefit Expense

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended September 30,

 

 

 

 

 

 

 

 

Other Postretirement

 

 

Pension Benefits

 

Benefits

(Thousands of dollars)

 

2013

 

2012

 

2013

 

2012

Service cost

 

$

801 

 

$

1,092 

 

$

369 

 

$

497 

Interest cost

 

 

762 

 

 

1,083 

 

 

249 

 

 

356 

Expected return on plan assets

 

 

(805)

 

 

(981)

 

 

 -

 

 

 -

Amortization of prior service cost (benefits)

 

 

14 

 

 

23 

 

 

(2)

 

 

(2)

Recognized actuarial loss

 

 

592 

 

 

765 

 

 

92 

 

 

122 

Net periodic benefit expense

 

$

1,364 

 

$

1,982 

 

$

708 

 

$

973 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nine Months Ended September 30,

 

 

 

 

 

 

 

 

Other Postretirement

 

 

Pension Benefits

 

Benefits

(Thousands of dollars)

 

2013

 

2012

 

2013

 

2012

Service cost

 

$

3,401 

 

$

3,231 

 

$

1,447 

 

$

1,486 

Interest cost

 

 

2,717 

 

 

3,237 

 

 

983 

 

 

1,097 

Expected return on plan assets

 

 

(2,794)

 

 

(2,936)

 

 

 -

 

 

 -

Amortization of prior service cost (benefits)

 

 

53 

 

 

67 

 

 

(7)

 

 

(8)

Recognized actuarial loss

 

 

2,108 

 

 

2,286 

 

 

363 

 

 

376 

Net periodic benefit expense

 

$

5,485 

 

$

5,885 

 

$

2,786 

 

$

2,951