Segment Data - Summarized Financial Information of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 01, 2020	May 03, 2019	May 01, 2020	May 03, 2019	Oct. 31, 2019
Financial information concerning reportable segments
Revenues	$ 929,398	$ 962,036	$ 1,696,881	$ 1,564,992
Earnings (loss) before income taxes	121,371	137,180	207,510	207,200
Total assets	2,811,475	2,466,000	2,811,475	2,466,000	$ 2,330,547
Operating Segments | Professional
Financial information concerning reportable segments
Revenues	661,087	723,506	1,255,808	1,178,512
Earnings (loss) before income taxes	106,259	150,119	208,733	238,097
Total assets	2,052,529	1,848,351	2,052,529	1,848,351
Operating Segments | Residential
Financial information concerning reportable segments
Revenues	261,998	232,147	427,846	377,305
Earnings (loss) before income taxes	37,122	22,030	58,688	35,102
Total assets	328,068	271,224	328,068	271,224
Intersegment gross sales (eliminations)
Financial information concerning reportable segments
Revenues	(16,676)	(23,796)	(25,474)	(37,504)
Intersegment gross sales (eliminations) | Professional
Financial information concerning reportable segments
Revenues	16,642	23,716	25,413	37,325
Intersegment gross sales (eliminations) | Residential
Financial information concerning reportable segments
Revenues	34	80	61	179
Other
Financial information concerning reportable segments
Revenues	6,313	6,383	13,227	9,175
Earnings (loss) before income taxes	(22,010)	(34,969)	(59,911)	(65,999)
Total assets	$ 430,878	$ 346,425	$ 430,878	$ 346,425