Employee Pension and Other Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Employee Defined Benefit Plans
Employer contributions			$ 4.2
Components of the net periodic cost for the pension and benefits plans
Cash outlays expected during current fiscal year	$ 7.8		7.8
Pension Benefit Plans
Components of the net periodic cost for the pension and benefits plans
Service cost	0.0	$ 0.0	0.2	$ 0.1
Interest cost	0.5	0.6	1.4	1.8
Expected return on plan assets	(0.4)	(0.4)	(1.2)	(1.2)
Amortization of net actuarial losses	0.7	0.5	2.2	1.5
Net periodic benefit cost	$ 0.8	$ 0.7	2.6	$ 2.2
U.K. Plan
Employee Defined Benefit Plans
Employer contributions			0.6
Other Plans
Employee Defined Benefit Plans
Employer contributions			$ 3.6