XML 59 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans (Details) (USD $)
 3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Weighted average assumptions used to determine net periodic benefit cost [Abstract]    
Contributions to noncontributory defined benefit plan $ 270,000  
Expected contributions to nonconributory defined benefit plan for the remainder of the year 810,000  
Pension Benefits [Member]
    
Components of Net Periodic Benefit Cost    
Service cost 263,000 262,000
Interest cost 301,000 320,000
Expected return on plan assets (381,000) (394,000)
Recognized net actuarial loss 151,000 154,000
Amortization of prior service cost 14,000 14,000
Net periodic benefit cost 348,000 356,000
Weighted average assumptions used to determine net periodic benefit cost [Abstract]    
Discount rate (in hundredths) 3.89% 4.28%
Expected long-term return on plan assets (in hundredths) 5.75% 6.25%
Rate of compensation increase (in hundredths) 3.50% 4.00%
Other Benefits [Member]
    
Components of Net Periodic Benefit Cost    
Service cost 53,000 39,000
Interest cost 70,000 58,000
Expected return on plan assets (13,000) 0
Recognized net actuarial loss 21,000 9,000
Amortization of prior service cost 21,000 5,000
Net periodic benefit cost $ 152,000 $ 111,000
Weighted average assumptions used to determine net periodic benefit cost [Abstract]    
Discount rate (in hundredths) 3.92% 4.43%
Expected long-term return on plan assets (in hundredths) 0.00% 0.00%
Rate of compensation increase (in hundredths) 3.67% 3.48%