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Capital Shares (Tables) | 12 Months Ended
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Oct. 31, 2016
Equity [Abstract] |
Capital Shares | Common shares repurchased as part of publicly announced programs during 2016, 2015 and 2014 were as follows:
|  | Number |  |  | Total |  |  | Average |
Year |  | of Shares |  |  | Amount |  |  | per Share |
2016 |  |  | 447 |  |  | $ | 31,877 |  |  | $ | 71.37 |
2015 |  |  | 5,360 |  |  | $ | 381,598 |  |  | $ | 71.19 |
2014 |  |  | 2,224 |  |  | $ | 163,584 |  |  | $ | 73.55 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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