v2.4.0.6
Balance Sheet Details - Other Non Current Assets (Detail) (USD $)
In Millions, unless otherwise specified
Oct. 26, 2012
Apr. 27, 2012
Other Assets [Line Items]    
Auction rate securities $ 46.5 $ 51.0
Restricted cash 2.5 2.6
Deferred tax assets 190.3 203.8
Other assets 196.2 170.0
Other non-current assets $ 435.5 $ 427.4