Income Taxes - Components of Net Deferred Taxes (Details) - USD ($) $ in Millions	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Gross deferred tax assets:
Tax credit carryforwards	$ 159.5	$ 164.3	$ 158.8
Net operating loss carryforwards	1,118.6	1,206.9	1,219.0
Capital loss carryforwards	63.9	63.9	63.9
Inventories	20.3	9.6	4.2
Accruals and reserves	61.6	55.6	20.5
Acquisition-related items	45.1	42.1	31.5
Capitalized research costs	72.0	0.0	0.0
Other	44.6	43.1	43.8
Gross deferred tax assets	1,585.6	1,585.5	1,541.7
Valuation allowance	(1,405.5)	(1,405.3)	(1,382.1)
Deferred tax assets	180.1	180.2	159.6
Gross deferred tax liabilities:
Acquisition-related items	(31.8)	(33.5)	(26.8)
Tax on unrepatriated earnings	(15.6)	(1.8)	(1.6)
Foreign branch taxes	(21.4)	(22.0)	0.0
Other	(29.8)	(29.1)	(37.4)
Deferred tax liabilities	(98.6)	(86.4)	(65.8)
Total net deferred tax assets	$ 81.5	$ 93.8	$ 93.8

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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