Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Income Tax Disclosure [Abstract]
Effective income tax rate	19.54%	24.59%	20.90%	21.75%
Effective income tax expense (benefit) attributable to the pension plan	$ (11.8)		$ (27.5)
Excess tax benefits of equity-based compensation and tax law changes in foreign jurisdictions		$ 7.6
Unfavorable impact of Tax Cuts and Jobs Act		$ 11.9
Unrecognized tax benefits	23.9		23.9
Liability recorded for interest and penalties related to unrecognized tax benefits	$ 4.2		$ 4.2