Commitments and Contingencies (Rent Expense) (Details) (USD $) In Millions	12 Months Ended
Apr. 29, 2011	Apr. 30, 2010	Apr. 24, 2009
Commitments and Contingencies
Facilities rent expense	$ 51.7	$ 43.2	$ 40.6
Equipment rent expense	23.1	23.4	25.3
Facilities and equipment rent expenses	74.8	66.6	65.9
Less: sublease income	(6.3)	(12.5)	(11.8)
Net rent expense	$ 68.5	$ 54.1	$ 54.1

Operating Lease Rent Expense, Equipment

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- Definition

Operating Lease Rent Expense, Facilities

+ Details

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- Details

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- Definition

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

+ Details

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

+ Details

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- Definition

The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-Name Accounting Standards Codification
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

+ Details

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