Annual report pursuant to Section 13 and 15(d)

Third Party Notes Receivable (Details)

v3.8.0.1
Third Party Notes Receivable (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Notes, Loans and Financing Receivable, Net, Noncurrent [Abstract]      
Loans and Leases Receivable, Gross $ 2.8 $ 12.6  
Notes receivable third party (10.1) (9.1) $ (9.6)
Proceeds from Collection of Notes Receivable $ 34.5 6.3 $ 23.9
Provision for Loan and Lease Losses   $ 6.7