Financing Receivables and Operating Leases - Narrative (Details) - Discounted Leases [Member]
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Minimum [Member]    
Operating Leased Assets [Line Items]    
Interest rate on discounted leases 2.00% 2.00%
Maximum [Member]    
Operating Leased Assets [Line Items]    
Interest rate on discounted leases 10.50% 9.80%