Retirement Benefits (Tables)

6 Months Ended

Aug. 26, 2011

Retirement Benefits [Abstract]

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

	Defined Benefit Pension
	Three Months Ended						Six Months Ended
	August 26,			August 27,			August 26,			August 27,
(In thousands)	2011			2010			2011			2010
Service cost	$	211		$	250		$	415		$	501
Interest cost		2,145			2,206			4,291			4,418
Expected return on plan assets		(1,671	)		(1,654	)		(3,343	)		(3,314	)
Amortization of prior service cost		64			44			123			88
Amortization of actuarial loss		558			524			1,127			1,050
	$	1,307		$	1,370		$	2,613		$	2,743

	Postretirement Benefit
	Three Months Ended						Six Months Ended
	August 26,			August 27,			August 26,			August 27,
(In thousands)	2011			2010			2011			2010
Service cost	$	362		$	575		$	725		$	1,150
Interest cost		1,210			1,550			2,420			3,100
Expected return on plan assets		(1,097	)		(1,125	)		(2,195	)		(2,250	)
Amortization of prior service credit		(637	)		(1,850	)		(1,275	)		(3,700	)
Amortization of actuarial loss		—			250			—			500
	$	(162	)	$	(600	)	$	(325	)	$	(1,200	)