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Pension and Other Postretirement Benefits (Tables)
6 Months Ended
Jun. 30, 2013
Pension Plans, Defined Benefit [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Schedule of components of net periodic cost
The components of net periodic pension (income)/cost were as follows:
 
 
For the Quarters Ended
 
 
June 30, 2013
 
June 24, 2012
(In thousands)
 
Qualified
Plans
 
Non-
Qualified
Plans
 
All Plans
 
Qualified
Plans
 
Non-
Qualified
Plans
 
All Plans
Service cost
 
$
2,323

 
$
256

 
$
2,579

 
$
2,894

 
$
377

 
$
3,271

Interest cost
 
19,284

 
2,643

 
21,927

 
23,592

 
3,122

 
26,714

Expected return on plan assets
 
(31,063
)
 

 
(31,063
)
 
(29,614
)
 

 
(29,614
)
Amortization of prior service (credit)/cost
 
(486
)
 

 
(486
)
 
201

 

 
201

Recognized actuarial loss
 
8,442

 
1,312

 
9,754

 
7,229

 
1,122

 
8,351

Net periodic pension (income)/cost
 
$
(1,500
)
 
$
4,211

 
$
2,711

 
$
4,302

 
$
4,621

 
$
8,923


 
 
For the Six Months Ended
 
 
June 30, 2013
 
June 24, 2012
(In thousands)
 
Qualified
Plans
 
Non-
Qualified
Plans
 
All Plans
 
Qualified
Plans
 
Non-
Qualified
Plans
 
All Plans
Service cost
 
$
4,645

 
$
512

 
$
5,157

 
$
5,901

 
$
754

 
$
6,655

Interest cost
 
38,568

 
5,286

 
43,854

 
47,241

 
6,244

 
53,485

Expected return on plan assets
 
(62,125
)
 

 
(62,125
)
 
(59,191
)
 

 
(59,191
)
Amortization of prior service (credit)/cost
 
(972
)
 

 
(972
)
 
402

 

 
402

Recognized actuarial loss
 
16,884

 
2,623

 
19,507

 
14,452

 
2,245

 
16,697

Net periodic pension (income)/cost
 
$
(3,000
)
 
$
8,421

 
$
5,421

 
$
8,805

 
$
9,243

 
$
18,048

Other Postretirement Benefit Plans, Defined Benefit [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Schedule of components of net periodic cost
The components of net periodic postretirement benefit income were as follows:

 
 
For the Quarters Ended
 
For the Six Months Ended
(In thousands)
 
June 30,
2013
 
June 24,
2012
 
June 30,
2013
 
June 24,
2012
Service cost
 
$
285

 
$
239

 
$
570

 
$
478

Interest cost
 
1,009

 
1,246

 
2,018

 
2,492

Amortization of prior service credit
 
(3,693
)
 
(3,778
)
 
(7,385
)
 
(7,556
)
Recognized actuarial loss
 
1,022

 
832

 
2,044

 
1,664

Curtailment gain
 

 

 

 
(27,213
)
Net periodic postretirement benefit income
 
$
(1,377
)
 
$
(1,461
)
 
$
(2,753
)
 
$
(30,135
)