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 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Net periodic cost recognized for defined benefit plans        
Service cost $ 88 $ 12 $ 128 $ 24
Interest cost 147 82 252 164
Amortization of prior service cost 122 27 181 54
Amortization of net actuarial gains 23 3 46 6
Net periodic cost 380 124 607 248
SERP [Member]
       
Net periodic cost recognized for defined benefit plans        
Service cost     1  
Interest cost 6 7 12 14
Amortization of prior service cost 7 6 13 12
Amortization of net actuarial gains   (1)   (2)
Net periodic cost $ 13 $ 12 $ 26 $ 24