Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 27, 2022	Mar. 28, 2021	Mar. 27, 2022	Mar. 28, 2021	Jun. 27, 2021
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ 0.4	$ (3.0)	$ 8.7	$ (4.0)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract]
Unrecognized tax benefits	7.4		7.4		$ 7.4
Estimated change in gross unrecognized tax benefits	0.7		0.7
Foreign Tax Authority | Luxembourg Holding Company
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	7.3
Income tax expense generated from taxable income	$ 129.1
Valuation allowance increase (decrease)			$ (121.8)