DEBT Rabobank Term Loan (Details) (Senior Secured Term Loan, Floating Rate, Due June 2016 [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Apr. 29, 2012
Senior Secured Term Loan, Floating Rate, Due June 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 200.0
Debt Instrument, Early Payment Obligation	$ 25.0
Debt Instrument, Interest Rate Terms	LIBOR plus 3.75% or a base rate (the greater of Rabobank's prime rate and the Federal funds rate plus 0.5%) plus 2.75%

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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