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Recently Issued Accounting Standards - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2019	Aug. 31, 2018
ASC 842
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Percentage of expect to record right-of-use assets			3.00%
Percentage of expect to record lease liabilities			6.00%
New Accounting Guidance Issued and Not Yet Adopted [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Defined benefit plan effect of percentage change in assumed health care cost trend rates				1.00%
Other Expense [Member] | Accounting Standards Update 2017-07 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification due to change in accounting principles	$ 8,022	$ 8,700
Cost of Sales [Member] | Accounting Standards Update 2017-07 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification due to change in accounting principles	(363)	(289)
Selling, General and Administrative Expenses [Member] | Accounting Standards Update 2017-07 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification due to change in accounting principles	$ (7,659)	$ (8,411)

X

- Definition

Percentage of lease liabilities expect to record.

+ References

No definition available.

+ Details

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X

- Definition

Percentage right of use assets expect to record.

+ References

No definition available.

+ Details

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- Definition

Ultimate trend rate for health care cost for defined benefit postretirement plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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X

- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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