Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Restructuring Activities And Related Impairments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020
Restructuring Cost and Reserve [Line Items]
Inventory write-off		$ 0.3	$ 9.0
Portion of treatment unit business \| Disposal by abandonment
Restructuring Cost and Reserve [Line Items]
Non-cash loss on disposal of partial business unit	$ 19.0
Impairment of intangible assets	9.0
Inventory write-off	$ 9.0