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Long-Lived Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jul. 04, 2020	Jul. 03, 2021	Jul. 04, 2020
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 125.1	$ 114.3	$ 249.4	$ 227.7
Asset impairment charges			2.0	0.6
Amortization of intangible assets	$ 25.1	$ 16.0	41.6	33.1
E-Systems
Property, Plant and Equipment [Line Items]
Asset impairment charges			8.5
Restructuring Charges
Property, Plant and Equipment [Line Items]
Asset impairment charges			$ 0.4	$ 10.4

X

- Definition

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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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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.

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No definition available.

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