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Long-term Debt - Liability and Equity Component of Convertible Notes (Details) - Convertible Notes - USD ($) $ in Millions	Dec. 26, 2021	Jun. 27, 2021
Liability Component:
Principal	$ 575.0	$ 999.8
Unamortized discount and issuance costs	(121.1)	(175.9)
Net carrying amount	453.9	823.9
Equity Component:
Discount related to value of conversion option	149.0	262.3
Partial extinguishment of 2023 Notes	0.0	(27.7)
Debt issuance costs	(3.6)	(6.3)
Net carrying amount	$ 145.4	$ 228.3

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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