Retirement Plans (Tables)

9 Months Ended

Feb. 24, 2013

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						Nine Months Ended
(in millions)	February 24, 2013			February 26, 2012			February 24, 2013			February 26, 2012
Service cost	$	1.2		$	1.4		$	3.6		$	4.1
Interest cost	2.5			2.2			7.5			6.7
Expected return on plan assets	(4.9		)	(4.5		)	(14.6		)	(13.4		)
Recognized net actuarial loss	2.2			1.6			6.6			4.7
Net periodic benefit cost	$	1.0		$	0.7		$	3.1		$	2.1

	Postretirement Benefit Plan
	Three Months Ended				Nine Months Ended
(in millions)	February 24, 2013		February 26, 2012		February 24, 2013		February 26, 2012
Service cost	$	0.2	$	0.2	$	0.6	$	0.6
Interest cost	0.3		0.3		0.9		1.0
Net periodic benefit cost	$	0.5	$	0.5	$	1.5	$	1.6