PENSION AND POSTRETIREMENT BENEFITS

3 Months Ended

Aug. 26, 2012

PENSION AND POSTRETIREMENT BENEFITS

12. PENSION AND POSTRETIREMENT BENEFITS

We have defined benefit retirement plans (“plans”) for eligible salaried and hourly employees. Benefits are based on years of credited service and average compensation or stated amounts for each year of service. We also sponsor postretirement plans which provide certain medical and dental benefits (“other postretirement benefits”) to qualifying U.S. employees.

Components of pension benefit and other postretirement benefit costs included:

	Pension Benefits Thirteen weeks ended						Postretirement Benefits Thirteen weeks ended
	August 26, 2012			August 28, 2011			August 26, 2012			August 28, 2011
Service cost	$	20.2		$	17.1		$	0.1		$	0.2
Interest cost		36.6			37.2			2.5			3.7
Expected return on plan assets		(52.3	)		(48.9	)		—			—
Amortization of prior service cost (gain)		0.8			0.8			(2.1	)		(2.2	)
Recognized net actuarial loss		—			—			1.5			1.5
Curtailment loss		0.8			—			—			—
Benefit cost — Company plans		6.1			6.2			2.0			3.2
Pension benefit cost — multi-employer plans		2.1			2.1			—			—
Total benefit cost	$	8.2		$	8.3		$	2.0		$	3.2

During the first quarter of fiscal 2013, we contributed $3.8 million to our pension plans and contributed $6.7 million to our other postretirement plans. Based upon the current funded status of the plans and the current interest rate environment, we anticipate making further contributions of approximately $16.2 million to our pension plans for the remainder of fiscal 2013. We anticipate making further contributions of $20.2 million to our other postretirement plans during the remainder of fiscal 2013. These estimates are based on current tax laws, plan asset performance, and liability assumptions, which are subject to change.