Segment Data - Summarized Financial Information of Reportable Segments (Details) $ in Thousands	3 Months Ended	6 Months Ended
May 04, 2018 USD ($)	May 05, 2017 USD ($)	May 04, 2018 USD ($) segment	May 05, 2017 USD ($)	Oct. 31, 2017 USD ($)
Financial information concerning reportable segments
Number of reportable business segments \| segment			3
Net sales	$ 875,280	$ 872,767	$ 1,423,526	$ 1,388,606
Intersegment gross sales	0	0	0	0
Earnings (loss) before income taxes	169,166	158,321	235,551	217,874
Total assets	1,635,747	1,598,758	1,635,747	1,598,758	$ 1,493,787
Operating Segments \| Professional Segment
Financial information concerning reportable segments
Net sales	660,373	610,896	1,064,042	982,705
Intersegment gross sales	10,664	12,634	17,122	17,190
Earnings (loss) before income taxes	164,979	149,011	240,891	217,177
Total assets	963,564	892,610	963,564	892,610
Operating Segments \| Residential Segment
Financial information concerning reportable segments
Net sales	212,169	258,134	354,676	398,524
Intersegment gross sales	107	118	163	192
Earnings (loss) before income taxes	26,304	35,047	42,017	51,605
Total assets	288,248	265,913	288,248	265,913
Other
Financial information concerning reportable segments
Net sales	2,738	3,737	4,808	7,377
Intersegment gross sales	(10,771)	(12,752)	(17,285)	(17,382)
Earnings (loss) before income taxes	(22,117)	(25,737)	(47,357)	(50,908)
Total assets	$ 383,935	$ 440,235	$ 383,935	$ 440,235

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
-Paragraph 1
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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(10))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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-Topic 942
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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-Name Accounting Standards Codification
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