PENSION AND POSTRETIREMENT BENEFITS (Tables)

3 Months Ended

Aug. 24, 2014

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 24, 2014			August 25, 2013
Service cost	$	22.1		$	22.3
Interest cost	40.4			37.8
Expected return on plan assets	(67.0		)	(63.2		)
Amortization of prior service cost	0.9			0.9
Special termination benefits	6.9			—
Benefit cost — Company plans	3.3			(2.2		)
Pension benefit cost — multi-employer plans	3.2			3.1
Total benefit cost	$	6.5		$	0.9

	Postretirement Benefits
	Thirteen Weeks Ended
	August 24, 2014			August 25, 2013
Service cost	$	0.1		$	0.2
Interest cost	2.5			2.4
Amortization of prior service cost	(2.0		)	(1.8		)
Recognized net actuarial loss	0.9			1.7
Total cost	$	1.5		$	2.5