Segment Data - Summarized Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2020	Jul. 31, 2020	May 01, 2020	Jan. 31, 2020	Oct. 31, 2019	Aug. 02, 2019	May 03, 2019	Feb. 01, 2019	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 840,957	$ 840,972	$ 929,398	$ 767,483	$ 734,379	$ 838,713	$ 962,036	$ 602,956	$ 3,378,810	$ 3,138,084	$ 2,618,650
Earnings (loss) before income taxes									407,070	322,133	372,397
Total assets	2,853,228				2,330,547				2,853,228	2,330,547	1,570,984
Capital expenditures									78,068	92,881	90,124
Depreciation and amortization									95,615	87,698	61,277
Operating Segments | Professional
Segment Reporting Information [Line Items]
Net sales									2,523,452	2,443,448	1,946,999
Intersegment gross sales (eliminations)									46,703	59,453	29,798
Earnings (loss) before income taxes									426,560	380,914	399,806
Total assets	1,940,844				1,592,065				1,940,844	1,592,065	916,106
Capital expenditures									49,975	57,246	58,109
Depreciation and amortization									70,460	63,885	38,585
Operating Segments | Residential
Segment Reporting Information [Line Items]
Net sales									820,745	661,274	654,413
Intersegment gross sales (eliminations)									80	310	312
Earnings (loss) before income taxes									113,669	65,151	64,807
Total assets	282,061				430,495				282,061	430,495	199,273
Capital expenditures									13,669	16,970	16,014
Depreciation and amortization									12,607	11,897	9,999
Other
Segment Reporting Information [Line Items]
Net sales									34,613	33,362	17,238
Intersegment gross sales (eliminations)									(46,783)	(59,763)	(30,110)
Earnings (loss) before income taxes									(133,159)	(123,932)	(92,216)
Total assets	$ 630,323				$ 307,987				630,323	307,987	455,605
Capital expenditures									14,424	18,665	16,001
Depreciation and amortization									$ 12,548	$ 11,916	$ 12,693