PENSION AND POSTRETIREMENT BENEFITS (Tables)

3 Months Ended

Aug. 30, 2015

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 are (includes amounts related to discontinued operations):

	Pension Benefits
	Thirteen Weeks Ended
	August 30, 2015			August 24, 2014
Service cost	$	23.8		$	22.1
Interest cost	41.0			40.4
Expected return on plan assets	(66.9		)	(67.0		)
Amortization of prior service cost	0.7			0.9
Special termination benefits	—			6.9
Benefit cost — Company plans	(1.4		)	3.3
Pension benefit cost — multi-employer plans	2.3			3.2
Total benefit cost	$	0.9		$	6.5

	Postretirement Benefits
	Thirteen Weeks Ended
	August 30, 2015			August 24, 2014
Service cost	$	0.1		$	0.1
Interest cost	2.0			2.5
Amortization of prior service benefit	(2.0		)	(2.0		)
Recognized net actuarial loss	—			0.9
Total cost	$	0.1		$	1.5