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Goodwill and Intangible Assets - Future Amortization Expense of Intangible Assets (Details) - USD ($) $ in Millions	Dec. 29, 2019	Jun. 30, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
June 28, 2020 (remainder of fiscal 2020)	$ 11.6
June 27, 2021	22.6
June 26, 2022	20.8
June 25, 2023	17.3
June 30, 2024	15.8
Thereafter	99.6
Total future amortization expense	187.7	$ 197.9
Acquisition Related Intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
June 28, 2020 (remainder of fiscal 2020)	7.2
June 27, 2021	14.5
June 26, 2022	13.5
June 25, 2023	11.0
June 30, 2024	10.4
Thereafter	78.8
Total future amortization expense	135.4	143.5
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
June 28, 2020 (remainder of fiscal 2020)	4.4
June 27, 2021	8.1
June 26, 2022	7.3
June 25, 2023	6.3
June 30, 2024	5.4
Thereafter	20.8
Total future amortization expense	$ 52.3	$ 54.4

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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