Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Reconciliation of unrecognized tax benefits
Balance at the beginning of the period	$ 48.6	$ 38.9	$ 41.7
Additions based on tax positions related to current year	1.7	4.4	1.6
Additions based on tax positions related to prior year	7.3	5.6	0.9
Reduction based on tax positions related to prior year	(2.8)		(3.5)
Reductions for lapse of statute of limitations	(0.6)	(0.3)	(1.8)
Balance at the end of the period	$ 54.2	$ 48.6	$ 38.9

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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