Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020	Jun. 27, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 14.2	$ 38.8	$ 35.3	$ 57.0
Charge for withholding taxes		31.6
Repatriation of foreign earnings		$ 316.4
Unrecognized tax benefits	48.4		48.4		$ 48.4
Interest and penalties accrued	$ 3.7		$ 3.7