Employees' Stock Incentive Plans and Management Incentive Plans Employees' Stock Incentive Plans and Management Incentive Plans (Tables)

9 Months Ended

Jan. 25, 2012

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Weighted average assumptions used to estimate fair values of option awards

The weighted average assumptions used to estimate the fair values are as follows:

	Nine Months Ended
	January 25, 2012	January 26, 2011
Dividend yield	3.7%	3.9%
Expected volatility	20.9%	20.5%
Weighted-average expected life (in years)	5.0	5.5
Risk-free interest rate	1.0%	1.7%

Employees' Stock and Management Incentive Plans [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock purchase plan compensation cost recognized in SG&A

The compensation cost related to these plans recognized in SG&A and the related tax benefit are as follows:

	Third Quarter Ended				Nine Months Ended
	January 25, 2012		January 26, 2011		January 25, 2012		January 26, 2011
	(In Millions)
Pre-tax compensation cost	$	8.5	$	8.8	$	27.0	$	24.7
Tax benefit	2.8		2.8		8.9		7.9
After-tax compensation cost	$	5.7	$	6.0	$	18.1	$	16.8

Long-term Performance Program [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock purchase plan compensation cost recognized in SG&A

The compensation cost related to LTPP awards recognized in SG&A and the related tax benefit are as follows:

	Third Quarter Ended				Nine Months Ended
	January 25, 2012		January 26, 2011		January 25, 2012		January 26, 2011
	(In Millions)
Pre-tax compensation cost	$	3.2	$	5.7	$	14.2	$	18.3
Tax benefit	1.1		2.0		5.0		6.4
After-tax compensation cost	$	2.1	$	3.7	$	9.2	$	11.9