Segment Data - Summarized Financial Information of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Oct. 31, 2019
Financial information concerning reportable segments
Revenues	$ 767,483	$ 602,956
Earnings (loss) before income taxes	86,139	70,020
Assets	2,491,609	1,622,814	$ 2,330,547
Operating Segments | Professional
Financial information concerning reportable segments
Revenues	594,721	455,006
Earnings (loss) before income taxes	102,474	87,978
Assets	1,853,739	959,768
Operating Segments | Residential
Financial information concerning reportable segments
Revenues	165,848	145,158
Earnings (loss) before income taxes	21,566	13,072
Assets	324,089	235,520
Intersegment gross sales (eliminations)
Financial information concerning reportable segments
Revenues	(8,798)	(13,708)
Intersegment gross sales (eliminations) | Professional
Financial information concerning reportable segments
Revenues	8,771	13,609
Intersegment gross sales (eliminations) | Residential
Financial information concerning reportable segments
Revenues	27	99
Other
Financial information concerning reportable segments
Revenues	6,914	2,792
Earnings (loss) before income taxes	(37,901)	(31,030)
Assets	$ 313,781	$ 427,526