Note 10 - Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 03, 2014	Apr. 27, 2013	Apr. 28, 2012
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense	$ 7.9	$ 8.9	$ 9.3
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Residual Value of Leased Assets	5.3
Purchase Obligation, Due in Next Twelve Months	$ 32.8