XML 47 R23.htm IDEA: XBRL DOCUMENT v3.3.0.814
EMPLOYEE BENEFIT PLANS (Tables)
 9 Months Ended
Sep. 30, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
The components of net periodic benefit cost (income) related to our defined benefit plans
The components of net periodic benefit cost (income) related to our defined benefit plans were as follows:
 
Pension Plans (a)
 
Other Postretirement
Benefit Plans
 
2015
 
2014
 
2015
 
2014
 
(Thousands of Dollars)
For the three months ended September 30:
 
 
 
 
 
 
 
Service cost
$
1,919

 
$
2,012

 
$
118

 
$
94

Interest cost
1,097

 
1,056

 
111

 
93

Expected return on assets
(1,254
)
 
(1,144
)
 
—

 
—

Amortization of prior service credit
(516
)
 
(516
)
 
(285
)
 
(286
)
Amortization of net loss
461

 
197

 
67

 
29

Other (b)
—

 
175

 
—

 
—

Net periodic benefit cost (income)
$
1,707

 
$
1,780

 
$
11

 
$
(70
)
 
 
 
 
 
 
 
 
For the nine months ended September 30:
 
 
 
 
 
 
 
Service cost
$
5,757

 
$
6,036

 
$
354

 
$
282

Interest cost
3,291

 
3,169

 
334

 
279

Expected return on assets
(3,762
)
 
(3,432
)
 
—

 
—

Amortization of prior service credit
(1,547
)
 
(1,548
)
 
(857
)
 
(858
)
Amortization of net loss (gain)
1,383

 
(18
)
 
201

 
85

Other (b)
—

 
(39
)
 
—

 
—

Net periodic benefit cost (income)
$
5,122

 
$
4,168

 
$
32

 
$
(212
)
(a)
Includes amounts related to the pension plan and the excess pension plan.
(b)
In 2014, other relates to a settlement credit associated with the supplemental executive retirement plan in the second quarter and a settlement charge associated with the excess pension plan in the third quarter.