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Pension Plans (Tables)
 4 Months Ended
Sep. 23, 2014
Pension Plans [Abstract]  
Schedule of Net Periodic Pension Cost Components

Net periodic pension cost for the retirement plans is shown in the table that follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16 weeks ended

 

 

 

 

 

 

 

 

 

 

Net periodic pension cost components

 

September 23, 2014

 

September 17, 2013

 

 

 

 

 

 

 

 

 

 

 

 

(in thousands)

 

Service cost

 

$
432 

 

 

$
499 

 

Interest cost

 

 
458 

 

 

 
559 

 

Expected return on plan assets

 

 
(823)

 

 

 
(744)

 

Amortization of prior service (credit) cost

 

 
(3)

 

 

 
(2)

 

Recognized net actuarial loss

 

 
17 

 

 

 
261 

 

Net periodic pension cost

 

$
81 

 

 

$
573 

 

 

 

 

 

 

 

 

 

 

Weighted average discount rate

 

 
3.90 

%

 

 
4.40 

%

Weighted average rate of compensation increase

 

 
2.10 

%

 

 
4.00 

%

Weighted average expected long-term rate of return on plan assets

 

 
7.25 

%

 

 
7.25 

%