Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Thousands	12 Months Ended
	Oct. 28, 2018 USD ($) reporting_unit	Oct. 29, 2017 USD ($)	Oct. 30, 2016 USD ($)
Goodwill [Line Items]
Number of reporting units	6
Acquired finite-lived intangible assets, weighted average useful life	14 years 73 days	15 years
Intangible asset amortization \| $	$ 9,648	$ 9,620	$ 9,638
Engineered Building Systems
Goodwill [Line Items]
Number of reporting units	1
Metal Components
Goodwill [Line Items]
Number of reporting units	2
Insulated Metal Panels
Goodwill [Line Items]
Number of reporting units	2
Metal Coil Coating
Goodwill [Line Items]
Number of reporting units	1