Segment Data - Summarized Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2019	Aug. 02, 2019	May 03, 2019	Feb. 01, 2019	Oct. 31, 2018	Aug. 03, 2018	May 04, 2018	Feb. 02, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 734,379	$ 838,713	$ 962,036	$ 602,956	$ 539,303	$ 655,821	$ 875,280	$ 548,246	$ 3,138,084	$ 2,618,650	$ 2,505,176
Earnings (loss) before income taxes									322,133	372,397	353,184
Total assets	2,330,547				1,570,984				2,330,547	1,570,984	1,493,787
Capital expenditures									92,881	90,124	58,276
Depreciation and amortization									87,698	61,277	64,986
Operating Segments | Professional
Segment Reporting Information [Line Items]
Net sales									2,443,448	1,946,999	1,811,705
Intersegment gross sales (eliminations)									59,453	29,798	27,893
Earnings (loss) before income taxes									380,914	399,806	379,496
Total assets	1,592,065				916,106				1,592,065	916,106	836,600
Capital expenditures									57,246	58,109	29,786
Depreciation and amortization									63,885	38,585	41,313
Operating Segments | Residential
Segment Reporting Information [Line Items]
Net sales									661,274	654,413	673,247
Intersegment gross sales (eliminations)									310	312	332
Earnings (loss) before income taxes									65,151	64,807	74,704
Total assets	430,495				199,273				430,495	199,273	189,578
Capital expenditures									16,970	16,014	10,605
Depreciation and amortization									11,897	9,999	10,308
Other
Segment Reporting Information [Line Items]
Net sales									33,362	17,238	20,224
Intersegment gross sales (eliminations)									(59,763)	(30,110)	(28,225)
Earnings (loss) before income taxes									(123,932)	(92,216)	(101,016)
Total assets	$ 307,987				$ 455,605				307,987	455,605	467,609
Capital expenditures									18,665	16,001	17,885
Depreciation and amortization									$ 11,916	$ 12,693	$ 13,365