Accounts and Notes Receivable and Credit Quality of Notes Receivable - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total accounts and notes receivable, net	$ 653.4	$ 668.5
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	192.4	188.1
Notes receivable allowance	(18.3)	(15.0)	$ (14.8)	$ (13.2)
Total accounts and notes receivable, net	174.1	173.1
Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	66.4	45.1
Notes receivable allowance	(3.5)	(1.0)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	126.0	143.0
Notes receivable allowance	(14.8)	(14.0)
Balances over 90 days past due | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	40.2	39.8
Notes receivable allowance for balances over 90 days past due	(18.3)	(14.9)
Notes receivable, net, balances over 90 days past due	21.9	24.9
Balances over 90 days past due | Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	9.1	1.1
Notes receivable allowance for balances over 90 days past due	(3.5)	(0.9)
Balances over 90 days past due | International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	31.1	38.7
Notes receivable allowance for balances over 90 days past due	$ (14.8)	$ (14.0)