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FAIR VALUE MEASUREMENTS - Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Mar. 30, 2024	Apr. 01, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total realized / unrealized losses included in OCI	$ 5.0	$ (12.6)	$ (3.8)	$ (38.7)
Net Unrealized Gain (Loss) On Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total realized / unrealized losses included in OCI	(0.6)	(7.3)	(1.5)	(34.1)
Fair value, inputs, level 3 | Fair Value, Measurements, Recurring | Convertible debt investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total realized / unrealized gains included in net earnings	0.1	0.9	0.2	1.9
Fair value, inputs, level 3 | Fair Value, Measurements, Recurring | Convertible debt investments | Net Unrealized Gain (Loss) On Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total realized / unrealized losses included in OCI	(0.6)	(7.3)	(1.5)	(34.1)
Fair value, inputs, level 3 | Estimated Fair Value | Fair Value, Measurements, Recurring | Convertible debt investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	85.0	91.2	85.8	117.0
Fair value at end of period	$ 84.5	$ 84.8	$ 84.5	$ 84.8

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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- Definition

The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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