Income Taxes (Details 3) - USD ($) $ in Millions	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Gross deferred tax assets:
Intangibles	$ 230.2	$ 0.0	$ 0.0
Tax credit carryforwards	43.8	41.6	33.8
Net operating loss carryforwards	16.1	61.0	91.4
Inventories	10.9	7.7	6.7
Accruals and reserves	9.9	4.1	4.2
Fixed assets	11.1	21.7	24.2
Capital loss carryforwards	11.9	12.4	14.3
Unclaimed research and experimental development expenditure	19.5	16.7	15.5
Other	0.6	5.4	7.0
Acquisition-related items	0.0	29.4	32.6
Gross deferred tax assets	354.0	200.0	229.7
Valuation allowance	(321.4)	(160.0)	(184.6)
Deferred tax assets	32.6	40.0	45.1
Gross deferred tax liabilities:
Acquisition-related items	(1.0)	(6.7)	(9.4)
Undistributed foreign earnings	0.0	(2.6)	(2.4)
Other	0.0	(1.2)	(0.9)
Deferred tax liabilities	(1.0)	(10.5)	(12.7)
Total net deferred tax assets (liabilities)	$ 31.6	$ 29.5	$ 32.4