Accounts and Notes Receivable and Credit Quality of Receivables - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total accounts and notes receivable, net	$ 731.1	$ 737.2
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	199.6	217.1
Notes receivable allowance	(22.6)	(20.8)	$ (16.3)	$ (15.0)
Total accounts and notes receivable, net	177.0	196.3
Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	78.7	93.5
Notes receivable allowance	(4.9)	(4.0)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	120.9	123.6
Notes receivable allowance	(17.7)	(16.8)
Balances over 90 days past due | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	41.5	42.4
Notes receivable allowance for balances over 90 days past due	(22.6)	(20.8)
Notes receivable, net, balances over 90 days past due	18.9	21.6
Balances over 90 days past due | Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	9.2	9.2
Notes receivable allowance for balances over 90 days past due	(4.9)	(4.0)
Balances over 90 days past due | International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	32.3	33.2
Notes receivable allowance for balances over 90 days past due	$ (17.7)	$ (16.8)