|
Credit Facility (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended |
|---|---|
|
Apr. 30, 2011
|
|
| Credit Facility | Â |
| Line of credit facility, initiation date | April 29, 2011 |
| Line of credit facility, maximum borrowing capacity | $ 1,250 |
| Line of credit facility, term (years) | 5 |
| Credit facility financial covenants | The leverage ratio, which is calculated as of the last day of the quarter and measured on a trailing four-quarter basis, cannot exceed 3.0 to 1. The fixed charge coverage ratio, which is calculated as of the last day of the quarter and measured on a trailing four-quarter basis, cannot be less than 2.5 to 1 through October 29, 2011; and 3.0 to 1 thereafter. The asset coverage ratio cannot be less than 3.0 to 1. |
| Leverage ratio at balance sheet date | 2.0 |
| Fixed charge coverage ratio at balance sheet date | 3.8 |
| Asset coverage ratio at balance sheet date | 17 |
| Total standby and import letters of credit | $ 197 |