Financing Receivables and Operating Leases - Operating Leases (Details) - USD ($)
$ in Millions
7 Months Ended 12 Months Ended
Jun. 30, 2015
Feb. 01, 2015
Jun. 30, 2017
Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Equipment under operating leases     $ 4.6 $ 5.6
Accumulated depreciation     (2.9) (2.7)
Total equipment under operating leases, net     1.7 2.9
Property Subject to Operating Lease [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Depreciation $ 1.2   $ 1.7 $ 2.5
Predecessor [Member] | Property Subject to Operating Lease [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Depreciation   $ 2.0