|
Income Taxes (Reconciliation Of The Total Amount Of Gross Unrecognized Tax Benefits) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jan. 31, 2012
|
Jan. 31, 2011
|
Jan. 31, 2010
|
|
| Income Taxes [Abstract] | |||
| Gross unrecognized tax benefits, beginning balance | $ 5,075 | $ 3,107 | $ 4,663 |
| Increases in tax positions for prior years | 1,590 | 2,742 | |
| Increases in tax positions for current year | 56 | 86 | 1,071 |
| Decreases in tax positions for prior years | (208) | ||
| Expiration of statutes of limitation | (791) | (860) | (2,770) |
| Settlements | (1,990) | (223) | |
| Changes due to translation of foreign currencies | (47) | 366 | |
| Gross unrecognized tax benefits, ending balance | $ 3,685 | $ 5,075 | $ 3,107 |