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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 27, 2014
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic benefit cost and assumptions used
The components of the net periodic benefit cost for the pension benefits and other benefits plans are as follows:
 
 
Three Months Ended September 27, 2014
 
Three Months Ended September 28, 2013
(In thousands)
 
Pension
Benefits
 
Other
Benefits
 
Pension
Benefits
 
Other
Benefits
 
 
 
 
 
 
 
 
 
Components of Net Periodic Benefit Cost:
 
 
 
 
 
 
 
 
Service cost
 
$
213

 
$
73

 
$
245

 
$
54

Interest cost
 
321

 
74

 
289

 
69

Expected return on plan assets
 
(370
)
 
(12
)
 
(375
)
 
(13
)
Recognized net actuarial loss
 
79

 
9

 
127

 
23

Amortization of prior service cost
 
14

 
22

 
14

 
21

Net periodic benefit cost
 
$
257

 
$
166

 
$
300

 
$
154

 
 
 
 
 
 
 
 
 
The weighted average assumptions used to determine net periodic benefit cost are as follows:
 
 

 
 
 
 
 
 
 
 
 
Discount rate
 
4.79
%
 
4.28
%
 
3.89
%
 
3.90
%
Expected long-term return on plan assets
 
5.75
%
 

 
5.75
%
 

Rate of compensation increase
 
3.50
%
 
3.23
%
 
3.50
%
 
3.65
%
 
 
Nine Months Ended September 27, 2014
 
Nine Months Ended September 28, 2013
(In thousands)
 
Pension
Benefits
 
Other
Benefits
 
Pension
Benefits
 
Other
Benefits
 
 
 
 
 
 
 
 
 
Components of Net Periodic Benefit Cost:
 
 
 
 
 
 
 
 
Service cost
 
$
639

 
$
223

 
$
744

 
$
160

Interest cost
 
963

 
220

 
873

 
208

Expected return on plan assets
 
(1,110
)
 
(36
)
 
(1,128
)
 
(39
)
Recognized net actuarial loss
 
237

 
27

 
393

 
66

Amortization of prior service cost
 
42

 
67

 
42

 
63

Net periodic benefit cost
 
$
771

 
$
501

 
$
924

 
$
458

 
 
 
 
 
 
 
 
 
The weighted average assumptions used to determine net periodic benefit cost are as follows:
 
 

 
 
 
 
 
 
 
 
 
Discount rate
 
4.79
%
 
4.28
%
 
3.89
%
 
3.92
%
Expected long-term return on plan assets
 
5.75
%
 

 
5.75
%
 

Rate of compensation increase
 
3.50
%
 
3.23
%
 
3.50
%
 
3.66
%