PENSION AND POSTRETIREMENT BENEFITS (Tables)

3 Months Ended

Aug. 25, 2013

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Components of Pension Benefit and Other Postretirement Benefit Costs

Components of pension benefit and other postretirement benefit costs included:

	Pension Benefits
	Thirteen Weeks Ended
	August 25, 2013			August 26, 2012
Service cost	$	22.3		$	20.2
Interest cost	37.8			36.6
Expected return on plan assets	(63.2		)	(52.3		)
Amortization of prior service cost	0.9			0.8
Curtailment loss	—			0.8
Benefit cost — Company plans	(2.2		)	6.1
Pension benefit cost — multi-employer plans	3.1			2.1
Total benefit cost	$	0.9		$	8.2

	Postretirement Benefits
	Thirteen Weeks Ended
	August 25, 2013			August 26, 2012
Service cost	$	0.2		$	0.1
Interest cost	2.4			2.5
Amortization of prior service cost	(1.8		)	(2.1		)
Recognized net actuarial loss	1.7			1.5
Total cost	$	2.5		$	2.0