Long-term Debt - Liability and Equity Component of Convertible Notes (Details) - Convertible Notes - Convertible Notes due September 1, 2023 - USD ($) $ in Millions	Mar. 29, 2020	Jun. 30, 2019
Liability Component:
Principal	$ 575.0	$ 575.0
Unamortized discount and issuance costs	(88.7)	(105.9)
Net carrying amount	486.3	469.1
Equity Component:
Discount related to value of conversion option	113.3	113.3
Debt issuance costs	(2.7)	(2.7)
Net carrying amount	$ 110.6	$ 110.6

Debt Instrument, Unamortized Discount of Conversion Option

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- Definition

Equity Component [Abstract]

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- Definition

Liability Component [Abstract]

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No definition available.

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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.

+ References

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- Definition

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

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- Definition

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

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- Definition

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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