Retirement Benefits (Tables)

6 Months Ended

Aug. 26, 2016

Compensation and Retirement Disclosure [Abstract]

Components of Periodic Benefit Cost for Corporation's Defined Benefit Pension and Postretirement Benefits Plans

The components of periodic benefit cost for the Corporation’s defined benefit pension and postretirement benefits plans are as follows:

	Defined Benefit Pension Plans
	Three Months Ended						Six Months Ended
	August 26,			August 28,			August 26,			August 28,
(In thousands)	2016			2015			2016			2015
Service cost	$	219		$	159		$	405		$	318
Interest cost		1,588			1,550			3,181			3,108
Expected return on plan assets		(1,500	)		(1,659	)		(3,028	)		(3,327	)
Amortization of prior service cost		1			1			2			2
Amortization of actuarial loss		904			846			1,777			1,694
	$	1,212		$	897		$	2,337		$	1,795
	Postretirement Benefits Plan
	Three Months Ended						Six Months Ended
	August 26,			August 28,			August 26,			August 28,
(In thousands)	2016			2015			2016			2015
Service cost	$	86		$	125		$	172		$	250
Interest cost		527			525			1,055			1,050
Expected return on plan assets		(582	)		(675	)		(1,164	)		(1,350	)
Amortization of prior service credit		(174	)		(175	)		(349	)		(350	)
Amortization of actuarial gain		(367	)		(300	)		(734	)		(600	)
	$	(510	)	$	(500	)	$	(1,020	)	$	(1,000	)