Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Dividends paid per share	$ 1.11	$ 0.99	$ 0.90
Accumulated Other Comprehensive Income (Loss) [Member]
Tax on settlement loss (gain) recognized	$ (299)	$ 332	$ (491)
Tax on net prior service cost (credit) occurring during the year	75	(558)	191
Tax on net actuarial gain (loss) occurring during the year	$ (4,628)	$ 8,642	$ (1,242)

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 19
-URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount of tax (expense) benefit for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 220
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-URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580

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