Note 1 - Significant Accounting Policies (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Apr. 27, 2013	Apr. 28, 2012	Apr. 30, 2011
Note 1 - Significant Accounting Policies (Details) [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements (in Shares)	172,000	181,000	185,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)			291,000
Inventory, Finished Goods, Gross (in Dollars)	$ 23.2	$ 24.4
Inventory, Raw Materials, Gross (in Dollars)	16.0	16.5
Marketing Expense (in Dollars)	44.6	45.8	52.9
Shipping, Handling and Transportation Costs (in Dollars)	$ 44.2	$ 41.8	$ 41.3
Building and Building Improvements [Member] | Minimum [Member]
Note 1 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Building and Building Improvements [Member] | Maximum [Member]
Note 1 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Machinery and Equipment [Member] | Minimum [Member]
Note 1 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Note 1 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	15 years