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Consolidated Statement Of Shareholders' Equity (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jan. 31, 2012
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Jan. 31, 2011
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Jan. 31, 2010
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| Statement Of Stockholders' Equity [Abstract] | |||
| Issuance of treasury stock for benefit plans and equity-based awards exercised, related tax benefit | $ 2,245 | $ 1,072 | $ 1,873 |