|
Derivatives and Hedging Activities - Schedule of Notional Value of Outstanding Foreign Currency Forward Contracts (Detail) (USD $)
In Millions, unless otherwise specified |
Oct. 26, 2012
|
Apr. 27, 2012
|
|---|---|---|
|
Euro
|
||
| Derivative [Line Items] | ||
| Cash Flow Hedges | $ 142.4 | $ 96.9 |
| Balance Sheet Contracts | 179.0 | 267.4 |
|
British Pound Sterling
|
||
| Derivative [Line Items] | ||
| Cash Flow Hedges | 39.6 | 29.8 |
| Balance Sheet Contracts | 76.2 | 86.4 |
|
Australian Dollar
|
||
| Derivative [Line Items] | ||
| Balance Sheet Contracts | 95.4 | 38.5 |
|
Canadian Dollar
|
||
| Derivative [Line Items] | ||
| Balance Sheet Contracts | 30.4 | 54.3 |
|
Swiss Franc
|
||
| Derivative [Line Items] | ||
| Balance Sheet Contracts | 24.8 | 7.3 |
|
Israeli Shekel
|
||
| Derivative [Line Items] | ||
| Balance Sheet Contracts | 24.4 | 17.2 |
|
Other
|
||
| Derivative [Line Items] | ||
| Balance Sheet Contracts | $ 45.1 | $ 44.0 |