Retirement Benefits (Tables)

9 Months Ended

Nov. 25, 2011

Retirement Benefits [Abstract]

Components of periodic benefit cost for defined benefit pension and postretirement benefit plans

	Defined Benefit Pension
	Three Months Ended						Nine Months Ended
	November 25,			November 26,			November 25,			November 26,
(In thousands)	2011			2010			2011			2010
Service cost	$	206		$	214		$	621		$	715
Interest cost		2,127			2,216			6,418			6,634
Expected return on plan assets		(1,655	)		(1,660	)		(4,998	)		(4,973	)
Amortization of prior service cost		61			50			184			138
Amortization of actuarial loss		557			529			1,684			1,579
	$	1,296		$	1,349		$	3,909		$	4,093

	Postretirement Benefit
	Three Months Ended						Nine Months Ended
	November 25,			November 26,			November 25,			November 26,
(In thousands)	2011			2010			2011			2010
Service cost	$	363		$	575		$	1,088		$	1,725
Interest cost		1,210			1,550			3,630			4,650
Expected return on plan assets		(1,098	)		(1,125	)		(3,293	)		(3,375	)
Amortization of prior service credit		(638	)		(1,850	)		(1,913	)		(5,550	)
Amortization of actuarial loss		—			250			—			750
	$	(163	)	$	(600	)	$	(488	)	$	(1,800	)