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Business Combinations (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended | 3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Jan. 27, 2012
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Jan. 28, 2011
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Jan. 27, 2012
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Jan. 28, 2011
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May 06, 2011
LSI Corporation [Member]
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May 13, 2010
Bycast [Member]
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Nov. 30, 2011
Bycast [Member]
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May 06, 2011
Engenio External Storage Systems Business [Member]
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Jan. 27, 2012
Engenio External Storage Systems Business [Member]
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Jan. 27, 2012
Engenio External Storage Systems Business [Member]
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Jan. 28, 2011
Engenio External Storage Systems Business [Member]
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| Business Acquisition [Line Items] | |||||||||||
| Acquisition dates | May 13,2010 | May 6, 2011 | |||||||||
| Business acquisition cash paid | $ 480.0 | $ 80.5 | |||||||||
| Business acquisition purchase price allocation warranty receivable | 13.0 | ||||||||||
| Net revenues | 1,565.5 | 1,289.6 | 4,530.7 | 3,694.3 | 178.3 | 517.8 | |||||
| Adjustment reflected in unaudited pro forma condensed combined information | 5.6 | (5.6) | |||||||||
| Charges related to the combined business | 6.7 | 6.7 | 0.7 | 0.7 | |||||||
| Release of remaining purchase price from escrow | 13.1 | ||||||||||
| Adjustments | $ 1.2 | $ 1.2 | |||||||||