Income Taxes (Narrative) (Details) - USD ($) $ in Millions		6 Months Ended
Sep. 28, 2021	Dec. 31, 2021
Income Taxes [Line Items]
Tax settlement, foreign currency translation benefit		$ (14.1)
Tax settlement, reduction of tax credits		4.1
Domestic Tax Authority [Member] \| Australian Taxation Office [Member]
Income Taxes [Line Items]
Tax settlement, final net impact		238.7
Tax settlement, gross amount	$ 381.7	381.7
Tax settlement, interest and penalties		48.1
Tax settlement, adjustments for credits and deductions		$ 143.0
Tax settlement, remitted final payment	284.8
Tax setttlement, prior remittances	$ 96.9

Income Tax Examination, Gross Settlement.

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Income Tax Examination, Net Impact of Settlement.

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Income Tax Examination, Prior Remittance Payments

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Income Tax Examination, Remitted Final Payment

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Income Taxes [Line Items]

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A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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