Retirement Plans (Tables)

6 Months Ended

Nov. 27, 2011

Compensation and Retirement Disclosure [Abstract]

Components Of Net Periodic Benefit Cost

Components of net periodic benefit cost are as follows:

	Defined Benefit Plans
	Three Months Ended						Six Months Ended
(in millions)	November 27, 2011			November 28, 2010			November 27, 2011			November 28, 2010
Service cost	$	1.3		$	1.5		$	2.7		$	3.0
Interest cost	2.3			2.4			4.5			4.8
Expected return on plan assets	(4.4		)	(4.1		)	(8.9		)	(8.1		)
Recognized net actuarial loss	1.5			1.2			3.1			2.3
Net periodic benefit cost	$	0.7		$	1.0		$	1.4		$	2.0

	Postretirement Benefit Plan
	Three Months Ended				Six Months Ended
(in millions)	November 27, 2011		November 28, 2010		November 27, 2011		November 28, 2010
Service cost	$	0.2	$	0.3	$	0.4	$	0.5
Interest cost	0.4		0.6		0.7		1.2
Recognized net actuarial loss	—		0.3		—		0.6
Net periodic benefit cost	$	0.6	$	1.2	$	1.1	$	2.3