Employee Benefits (Tables)

9 Months Ended

Sep. 24, 2011

Pension Benefits

Employee benefits

Components of net periodic benefit cost for defined benefit plans

		Three Months Ended						Nine Months Ended
		September 24, 2011			September 25, 2010			September 24, 2011			September 25, 2010
Service cost		$	758		$	793		$	2,279		$	1,906
Interest cost			3,016			2,903			9,056			8,398
Expected return on plan assets			(3,407	)		(3,165	)		(10,213	)		(9,295	)
Amortization of prior service cost			(155	)		(148	)		(466	)		(447	)
Amortization of net loss (gain)			239			178			693			534
	Net periodic benefit cost	$	451		$	561		$	1,349		$	1,096
Company contributions		$	1,100		$	1,913		$	7,119		$	5,536

Supplemental Retirement Benefits

Employee benefits

Components of net periodic benefit cost for defined benefit plans

		Three Months Ended				Nine Months Ended
		September 24, 2011		September 25, 2010		September 24, 2011		September 25, 2010
Service cost		$	159	$	149	$	477	$	447
Interest cost			300		335		901		1,005
Amortization of prior service cost			125		124		374		374
Amortization of net loss (gain)			53		38		158		114
	Net periodic benefit cost	$	637	$	646	$	1,910	$	1,940