Employee Benefits (Tables)

6 Months Ended

Jun. 25, 2011

Pension Benefits

Employee benefits

Components of net periodic benefit cost for defined benefit plans

		Three Months Ended						Six Months Ended
		June 25, 2011			June 26, 2010			June 25, 2011			June 26, 2010
Service cost		$	755		$	641		$	1,521		$	1,293
Interest cost			3,018			2,796			6,040			5,637
Expected return on plan assets			(3,418	)		(3,078	)		(6,806	)		(6,208	)
Amortization of prior service cost			(157	)		(148	)		(311	)		(299	)
Amortization of net loss (gain)			215			178			454			356
	Net periodic benefit cost	$	413		$	389		$	898		$	779
Company contributions		$	2,428		$	1,801		$	6,019		$	3,623

Supplemental Retirement Benefits

Employee benefits

Components of net periodic benefit cost for defined benefit plans

		Three Months Ended				Six Months Ended
		June 25, 2011		June 26, 2010		June 25, 2011		June 26, 2010
Service cost		$	159	$	149	$	318	$	298
Interest cost			300		335		600		670
Amortization of prior service cost			125		125		250		250
Amortization of net loss (gain)			53		38		106		76
	Net periodic benefit cost	$	637	$	647	$	1,274	$	1,294