Income Taxes - Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Reconciliation of the Company's income tax expense (benefit) at the federal statutory rate to the income tax expense (benefit) at the effective tax rate
Income tax (benefit) expense computed at federal statutory rate	$ 19.8	$ 8.3	$ (10.0)
Withholding Taxes	34.2	1.5	0.7
US Inclusion of foreign earnings	12.8	16.0	1.0
Tax Reform E&P Inclusion	0.0	0.0	14.3
Valuation allowance	0.7	1.0	13.0
Foreign rate differential	4.5	4.8	(1.1)
Reserves	2.3	3.5	0.4
AMT Tax Repeal	0.0	0.0	(4.5)
Permanent items	(0.3)	(1.4)	0.7
Fair value change of the earn-out liability	(6.6)	(1.3)	0.0
Reversal of previously accrued taxes	(3.7)	(1.2)	(1.2)
Research and experimentation benefits and other tax credits	(0.2)	0.0	(0.7)
State taxes	2.1	0.1	0.0
Other	(0.3)	0.2	0.3
Total income tax expense	$ 65.3	$ 31.5	$ 12.9