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Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Dec. 06, 2019	Oct. 01, 2019	Dec. 07, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Dividends
Dividend declared per share		$ 1.10	$ 1.00
Dividend amount paid to shareholders	$ 19,400		$ 17,600	$ 17,568	$ 16,657	$ 15,696

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

+ Details

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X

- References

No definition available.

+ Details

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X

- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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