VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 28, 2013	Apr. 29, 2012	Apr. 24, 2011
Accounts Receivable Reserve
Changes in valuation and qualifying accounts
Balance at Beginning of Year	$ 2,502	$ 1,010	$ 1,955
Charged to Costs and Expenses	522	1,711	151
Deductions from Reserves	(938)	(219)	(1,096)
Balance at End of Year	2,086	2,502	1,010
Other Receivables Reserve
Changes in valuation and qualifying accounts
Balance at Beginning of Year			2,882
Deductions from Reserves			(1,000)
Balance at End of Year	$ 1,882	$ 1,882	$ 1,882