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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GOODWILL AND INTANGIBLE ASSETS - Definite Lived Intangibles Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 26, 2020	Apr. 28, 2019	Apr. 26, 2020	Apr. 28, 2019	Oct. 27, 2019
Gross carrying amount and accumulated amortization for definite-lived intangible assets
Gross Carrying Amount	$ 126,906		$ 126,906		$ 120,696
Accumulated Amortization	(50,132)		(50,132)		(42,615)
Amortization expense	3,400	$ 3,100	6,200	$ 6,300
Estimated amortization expense
2020	11,700		11,700
2021	12,000		12,000
2022	11,644		11,644
2023	10,739		10,739
2024	8,921		8,921
Customer Lists/Relationships
Gross carrying amount and accumulated amortization for definite-lived intangible assets
Gross Carrying Amount	113,739		113,739		113,739
Accumulated Amortization	(41,350)		(41,350)		(36,744)
Tradenames/Trademarks
Gross carrying amount and accumulated amortization for definite-lived intangible assets
Gross Carrying Amount	10,536		10,536		4,326
Accumulated Amortization	(2,447)		(2,447)		(1,589)
Other Intangibles
Gross carrying amount and accumulated amortization for definite-lived intangible assets
Gross Carrying Amount	2,631		2,631		2,631
Accumulated Amortization	(1,920)		(1,920)		(1,228)
Foreign Currency Translation
Gross carrying amount and accumulated amortization for definite-lived intangible assets
Gross Carrying Amount	0		0		0
Accumulated Amortization	$ (4,415)		$ (4,415)		$ (3,054)