Leases - Cost (Details) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Lease, Cost [Abstract]
Finance Lease, Right-of-Use Asset, Amortization	$ 2.9	$ 8.6
Finance Lease, Interest Expense	2.7	9.1
Finance Lease Expense	5.6	17.7
Operating Lease, Expense	5.3	14.2
Variable Lease, Cost	1.3	5.0
Lease, Cost	$ 12.2	$ 36.9
Finance Lease, Weighted Average Remaining Lease Term	13 years 4 months 24 days	13 years 4 months 24 days
Operating Lease, Weighted Average Remaining Lease Term	8 years 10 months 24 days	8 years 10 months 24 days
Finance Lease, Weighted Average Discount Rate, Percent	8.60%	8.60%
Operating Lease, Weighted Average Discount Rate, Percent	4.50%	4.50%