v2.4.0.6
Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jan. 27, 2012
Jan. 27, 2012
Income Taxes [Abstract]    
Discrete tax expense $ 11.7 $ 11.7
Increase in unrecognized tax benefits related to prior years as a result of the settlement and remeasurement   17.4
Unrecognized tax benefits 155.5 155.5
Unrecognized tax benefits that would affect provision for income taxes 96.6 96.6
Increase in unrecognized tax benefits for tax positions related to the current year   8.0
Increase in unrecognized tax benefits for tax positions related to the prior year   20.3
Decrease in unrecognized tax benefits for tax positions related to prior years   6.0
Liability for uncertain tax positions $ 104.3 $ 104.3