WARRANTY - Narrative (Details)	3 Months Ended
	Jan. 28, 2018 warranty_type warranty_coverage_grade stage_roofing_project
Product Warranty Liability [Line Items]
Product warranty, number of warranty categories | warranty_type	2
Product warranty, number of grades per warranty category | warranty_coverage_grade	3
Standard product warranty, period of leak-free months before warranty begins	24 months
Product warranty, stages per roofing project | stage_roofing_project	3
Minimum
Product Warranty Liability [Line Items]
Product warranty period (in years)	2 years
Maximum
Product Warranty Liability [Line Items]
Product warranty period (in years)	20 years