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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Contractual interest rate for funds borrowed, under the debt agreement.

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Debt - Carrying Amounts of the Liability and Equity Components (Details) - Convertible Debt - USD ($) $ in Millions	Jun. 27, 2020	Jun. 29, 2019	May 29, 2018	Mar. 22, 2017	Mar. 03, 2017
Debt Instrument [Line Items]
Unamortized discount of Senior Convertible Notes liability component	$ (79.1)	$ (99.8)
Unamortized Senior Convertible Notes debt issuance cost	(5.0)	(6.4)
Carrying amount of Senior Convertible Notes liability component	600.9	578.8
Carrying amount of equity component	$ 136.8	$ 136.8
1.00% Senior Convertible Notes
Debt Instrument [Line Items]
Interest rate on senior convertible notes	1.00%	1.00%		1.00%	1.00%
Principal amount of notes	$ 460.0	$ 460.0
Unamortized Senior Convertible Notes debt issuance cost	$ (3.9)
Carrying amount of Senior Convertible Notes liability component				$ 358.1
Carrying amount of equity component				$ 101.9
1.75% Senior Convertible Notes
Debt Instrument [Line Items]
Interest rate on senior convertible notes	1.75%	1.75%	1.75%
Principal amount of notes	$ 225.0	$ 225.0
Unamortized Senior Convertible Notes debt issuance cost	$ (1.1)
Carrying amount of Senior Convertible Notes liability component			$ 190.1
Carrying amount of equity component			$ 34.9