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 ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Dec. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 12.2	$ 12.8
Estimated amortization expense remainder of year	47.3
Goodwill	1,494.0		$ 1,501.3
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	4.9
Industrial Systems
Finite-Lived Intangible Assets [Line Items]
Goodwill	169.9		170.8
Industrial Systems \| Global Industrial Motors
Finite-Lived Intangible Assets [Line Items]
Goodwill	121.9
Industrial Systems \| Power Systems Switch
Finite-Lived Intangible Assets [Line Items]
Goodwill	49.3
Commercial Systems
Finite-Lived Intangible Assets [Line Items]
Goodwill	420.6		$ 426.6
Commercial Systems \| Commercial Air Moving
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 37.8