Employee Benefit Plans (Tables)

6 Months Ended

Oct. 02, 2011

Employee Benefit Plans

Schedule of components of net periodic benefit cost

	Pension Benefits
	Quarters Ended						Six Months Ended
Components of Net Periodic Benefit Cost	October 2, 2011			October 3, 2010			October 2, 2011			October 3, 2010
Service cost	$	16,177		$	17,476		$	32,355		$	34,952
Interest cost	37,321			37,717			74,642			75,434
Expected return on plan assets	(43,897		)	(44,173		)	(87,795		)	(88,346		)
Amortization of unrecognized net loss	23,983			21,362			47,967			42,724
Amortization of unrecognized prior service cost	(95		)	(97		)	(191		)	(195		)
Net periodic benefit cost	$	33,489		$	32,285		$	66,978		$	64,569

	Postretirement Benefits (“PRB”)
	Quarters Ended						Six Months Ended
Components of Net Periodic Benefit Cost	October 2, 2011			October 3, 2010			October 2, 2011			October 3, 2010
Service cost	$	19		$	77		$	38		$	154
Interest cost	1,953			2,280			3,907			4,559
Expected return on plan assets	(878		)	(846		)	(1,756		)	(1,691		)
Amortization of unrecognized net loss	743			722			1,486			1,445
Amortization of unrecognized prior service cost	(2,095		)	(2,107		)	(4,190		)	(4,215		)
Net periodic benefit (income) cost before curtailment gain	(258		)	126			(515		)	252
Curtailment gain	—			(448		)	—			(448		)
Net periodic benefit income	$	(258	)	$	(322	)	$	(515	)	$	(196	)