XML 29 R28.htm IDEA: XBRL DOCUMENT v3.2.0.727
Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Schedule of net periodic cost (benefit)
Net periodic cost (benefit) of the Defined Benefit Pension, Post-Retirement Medical, and Supplemental Executive Retirement plans included in general insurance expenses in the accompanying condensed consolidated statements of income includes the following components:
 
 
Three Months Ended June 30,
 
Defined Benefit 
Pension Plan
 
Post-Retirement 
Medical Plan
 
Supplemental Executive
Retirement Plan
 
Total
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
Components of net periodic cost (benefit):
 

 
 

 
 

 
 

 
 

 
 

 
 
 
 
Service cost
$
1,509

 
$
1,175

 
$
264

 
$
206

 
$
70

 
$
205

 
$
1,843

 
$
1,586

Interest cost
5,997

 
5,739

 
126

 
130

 
531

 
696

 
6,654

 
6,565

Expected return on plan assets
(7,087
)
 
(7,319
)
 
—

 
—

 
—

 
—

 
(7,087
)
 
(7,319
)
Amortization of unrecognized prior service costs (benefits)
3

 
13

 
(417
)
 
(427
)
 
233

 
233

 
(181
)
 
(181
)
Amortization of losses (gains) from earlier periods
3,106

 
644

 
(157
)
 
(130
)
 
166

 
93

 
3,115

 
607

Net periodic cost (benefit)
$
3,528

 
$
252

 
$
(184
)
 
$
(221
)
 
$
1,000

 
$
1,227

 
$
4,344

 
$
1,258


 
Six Months Ended June 30,
 
Defined Benefit 
Pension Plan
 
Post-Retirement 
Medical Plan
 
Supplemental Executive
Retirement Plan
 
Total
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
Components of net periodic cost (benefit):
 

 
 

 
 

 
 

 
 

 
 

 
 
 
 
Service cost
$
3,017

 
$
2,349

 
$
528

 
$
412

 
$
141

 
$
410

 
$
3,686

 
$
3,171

Interest cost
11,994

 
11,477

 
253

 
260

 
1,061

 
1,393

 
13,308

 
13,130

Expected return on plan assets
(14,174
)
 
(14,638
)
 
—

 
—

 
—

 
—

 
(14,174
)
 
(14,638
)
Amortization of unrecognized prior service costs (benefits)
7

 
26

 
(835
)
 
(853
)
 
466

 
466

 
(362
)
 
(361
)
Amortization of losses (gains) from earlier periods
6,212

 
1,289

 
(315
)
 
(260
)
 
332

 
185

 
6,229

 
1,214

Net periodic cost (benefit)
$
7,056

 
$
503

 
$
(369
)
 
$
(441
)
 
$
2,000

 
$
2,454

 
$
8,687

 
$
2,516
Schedule of contributions to the Defined Benefit Pension Plan and payments made to the Post-Retirement Medical Plan and the Supplemental Executive Retirement Plan
The following table summarizes contributions to the Defined Benefit Pension Plan and payments made to the Post-Retirement Medical Plan and the Supplemental Executive Retirement Plan:
 
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2015
 
2014
 
2015
 
2014
Contributions to the Defined Benefit Pension Plan
 
$
—

 
$
2,690

 
$
—

 
$
4,714

Payments to the Post-Retirement Medical Plan
 
391

 
84

 
524

 
215

Payments to the Supplemental Executive Retirement Plan
 
830

 
882

 
3,165

 
1,789