Pension Benefits (Tables)

3 Months Ended

Mar. 25, 2012

Pension Benefits [Abstract]

Components Of Net Periodic Benefit Cost

Quarter ended	March 25, 2012	March 27, 2011
Service cost	$    217	$    237
Interest cost	986	1,081
Expected return on plan assets	10	38
Amortization of actuarial loss	57	12
Amortization of transition obligation	14	32
Amortization of prior service costs	1	1
Net periodic pension cost	$ 1,285	$ 1,401