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Deferred Compensation and Other Benefits - (Details) (ESBP, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012
ESBP
Net periodic pension cost for the Executive Supplemental Benefit Plan
Interest cost	$ 61	$ 85	$ 122	$ 170
Amortization of actuarial loss	48	70	96	140
Net periodic pension cost	$ 109	$ 155	$ 218	$ 310

- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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