Borrowings (Details Textual 1) |
Apr. 30, 2012
USD ($)
|
|---|---|
| Debt Instrument [Line Items] | |
| Derivative fixed average interest rate | 2.80% |
| LIBOR [Member] | |
| Debt Instrument [Line Items] | |
| Floating LIBOR rate debt | $ 500,000,000 |
| X | ||||||||||
- Definition The average effective interest rate during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|