|
Retirement Benefits (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Apr. 28, 2012
|
Apr. 30, 2011
|
|
| Supplemental Executive Retirement Plan Textuals [Line Items] | ||
| Percentage of monthly compensation benefit received by CEO as per SERP | 50.00% | |
| Total compensation expenses related to Supplemental Executive Retirement Plan | $ 1.1 | $ 0.6 |