Retirement Plans

3 Months Ended

Aug. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Retirement Plans

Retirement Plans

Components of net periodic benefit cost are as follows:

	Defined Benefit Plans
	Three Months Ended
(in millions)	August 30, 2015			August 24, 2014
Service cost	$	—		$	0.2
Interest cost	2.7			2.1
Expected return on plan assets	(3.6		)	(3.1		)
Recognized net actuarial loss	0.6			0.5
Net periodic benefit (credit) cost	$	(0.3	)	$	(0.3	)

	Postretirement Benefit Plan
	Three Months Ended
(in millions)	August 30, 2015			August 24, 2014
Service cost	$	—		$	0.2
Interest cost	0.2			0.4
Amortization of unrecognized prior service credit	(1.2		)	—
Recognized net actuarial loss	0.3			0.1
Net periodic benefit (credit) cost	$	(0.7	)	$	0.7