OPERATING SEGMENTS (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2017 USD ($)	May 01, 2016 USD ($)	Apr. 30, 2017 USD ($) operating_segment	May 01, 2016 USD ($)	Oct. 30, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | operating_segment			3
Total net sales	$ 420,464	$ 372,247	$ 812,167	$ 742,261
Total external net sales	420,464	372,247	812,167	742,261
Total operating income	32,472	10,594	42,358	25,853
Unallocated other expense, net	(6,892)	(6,965)	(13,463)	(13,879)
Income before income taxes	25,580	3,629	28,895	11,974
Total assets	1,023,813		1,023,813		$ 1,050,200
Operating Segments | Engineered Building Systems
Segment Reporting Information [Line Items]
Total net sales	162,624	138,023	313,887	286,998
Total external net sales	154,456	134,454	299,477	280,405
Total operating income	6,894	7,193	13,398	19,655
Total assets	219,896		219,896		229,422
Operating Segments | Metal Components
Segment Reporting Information [Line Items]
Total net sales	270,621	234,637	515,922	464,303
Total external net sales	239,576	211,661	458,535	414,562
Total operating income	40,087	17,835	56,117	33,938
Total assets	661,978		661,978		654,534
Operating Segments | Metal Coil Coating [Member]
Segment Reporting Information [Line Items]
Total net sales	63,317	55,178	127,519	106,383
Total external net sales	26,432	26,132	54,155	47,294
Total operating income	5,514	4,704	10,758	9,525
Total assets	82,179		82,179		87,194
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total net sales	(76,098)	(55,591)	(145,161)	(115,423)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total operating income	(20,023)	$ (19,138)	(37,915)	$ (37,265)
Total assets	$ 59,760		$ 59,760		$ 79,050