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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (Parenthetical) (USD $)
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12 Months Ended | ||
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Oct. 31, 2011
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Oct. 31, 2010
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Oct. 31, 2009
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| CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME | |||
| Cash dividends paid on common stock (in dollars per share) | $ 0.80 | $ 0.72 | $ 0.60 |
| Issuance of shares under stock-based compensation plans (in shares) | 504,760 | 703,930 | 1,201,256 |
| Purchase of shares of common stock (in shares) | 2,296,380 | 2,678,474 | 3,316,536 |