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 (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019	Jun. 27, 2020	Dec. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Percentage of excess fair value over carrying value, less than					10.00%	10.00%
Goodwill	$ 1,508,400,000		$ 1,508,400,000			$ 1,501,300,000
Amortization of intangible assets	11,900,000	$ 12,600,000	36,300,000	$ 38,000,000.0
Estimated amortization expense remainder of year	48,000,000.0		48,000,000.0
Impairment of intangible assets	0		0
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets				$ 4,900,000
Global Industrial Motors
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 123,800,000		$ 123,800,000