Stock Based Compensation - Schedule of Plan Activity (Details) - Stock-based Compensation - Management Equity Incentive Plan	9 Months Ended
Jul. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of October 31, 2015 (in shares)	92,125
Granted (in shares)	1,200
Forfeited (in shares)	(8,000)
Converted (in shares)	(625)
Outstanding as of July 31, 2016 (in shares)	84,700
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding as of October 31, 2015 (in USD per share) \| $ / shares	$ 684.36
Granted (in USD per share) \| $ / shares	855.40
Forfeited (in USD per share) \| $ / shares	678.46
Converted (in USD per share) \| $ / shares	693.35
Outstanding as of July 31, 2016 (in USD per share) \| $ / shares	$ 687.27
Class B
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of October 31, 2015 (in shares)	64,525
Granted (in shares)	840
Forfeited (in shares)	(5,450)
Converted (in shares)	(625)
Outstanding as of July 31, 2016 (in shares)	59,290
Class C
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of October 31, 2015 (in shares)	9,200
Granted (in shares)	120
Forfeited (in shares)	(850)
Converted (in shares)	0
Outstanding as of July 31, 2016 (in shares)	8,470
Class D
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of October 31, 2015 (in shares)	9,200
Granted (in shares)	120
Forfeited (in shares)	(850)
Converted (in shares)	0
Outstanding as of July 31, 2016 (in shares)	8,470
Class E
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of October 31, 2015 (in shares)	9,200
Granted (in shares)	120
Forfeited (in shares)	(850)
Converted (in shares)	0
Outstanding as of July 31, 2016 (in shares)	8,470

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Gross number of share options (or share units) granted during the period.

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The addition or reduction in the number of reserved shares that could potentially be issued under the option plan attributable to reasons other than grants, exercises, forfeitures, and expirations during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average price at which grantees could acquire or could have acquired the underlying shares with respect to any other type of change in shares reserved for issuance.

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