Annual report pursuant to Section 13 and 15(d)

Leased Assets - Schedule of Operating Lease Assets and Liabilities on Balance Sheet (Details)

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Leased Assets - Schedule of Operating Lease Assets and Liabilities on Balance Sheet (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Jul. 01, 2021
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]        
Operating Lease assets $ 45.7 $ 47.2 $ 0.0 $ 0.0
Financing Lease assets 0.9      
Current operating lease liabilities 9.3      
Noncurrent operating lease liabilities 40.6   $ 0.0 $ 0.0
Total operating lease liabilities: 49.9 $ 52.1    
Current financing lease liabilities 0.6      
Noncurrent financing lease liabilities 0.3      
Total financing lease liabilities: $ 0.9      
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease assets      
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets      
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating lease liability, current      
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Noncurrent operating lease liabilities      
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued expenses and other current liabilities      
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Deferred income taxes and other liabilities