Quarterly report pursuant to Section 13 or 15(d)

Supplemental Retirement Plan and Related Post Retirement Benefits (Details 1)

v2.4.0.6
Supplemental Retirement Plan and Related Post Retirement Benefits (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Net periodic pension cost/net periodic cost recognized for defined benefit plans    
Service cost $ 74 $ 41
Interest cost 155 104
Amortization of prior service cost 124 59
Amortization of net actuarial gains 32 23
Net periodic cost 385 227
SERP [Member]
   
Net periodic pension cost/net periodic cost recognized for defined benefit plans    
Service cost 1 1
Interest cost 6 6
Amortization of prior service cost 6 6
Amortization of net actuarial gains     
Net periodic cost $ 13 $ 13