Segment Data - Summarized Financial Information of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	May 01, 2020	Apr. 30, 2021	May 01, 2020	Oct. 31, 2020
Financial information concerning reportable segments
Net sales	$ 1,149,107	$ 929,398	$ 2,022,093	$ 1,696,881
Earnings (loss) before income taxes	177,243	121,371	313,069	207,510
Total assets	2,996,109	2,811,475	2,996,109	2,811,475	$ 2,853,228
Operating Segments | Professional
Financial information concerning reportable segments
Net sales	828,358	661,087	1,478,581	1,255,808
Earnings (loss) before income taxes	167,132	106,259	283,948	208,733
Total assets	1,980,708	2,052,529	1,980,708	2,052,529
Operating Segments | Residential
Financial information concerning reportable segments
Net sales	315,035	261,998	532,735	427,846
Earnings (loss) before income taxes	45,986	37,122	78,094	58,688
Total assets	365,040	328,068	365,040	328,068
Intersegment gross sales (eliminations)
Financial information concerning reportable segments
Net sales	(9,161)	(16,676)	(15,819)	(25,474)
Intersegment gross sales (eliminations) | Professional
Financial information concerning reportable segments
Net sales	(9,151)	(16,642)	(15,793)	(25,413)
Intersegment gross sales (eliminations) | Residential
Financial information concerning reportable segments
Net sales	(10)	(34)	(26)	(61)
Other
Financial information concerning reportable segments
Net sales	5,714	6,313	10,777	13,227
Earnings (loss) before income taxes	(35,875)	(22,010)	(48,973)	(59,911)
Total assets	$ 650,361	$ 430,878	$ 650,361	$ 430,878