Accounts and Notes Receivable and Credit Quality of Notes Receivable - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total accounts and notes receivable, net	$ 637.9	$ 706.1
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	187.4	232.2
Notes receivable allowances	(14.8)	(13.2)
Total accounts and notes receivable, net	172.6	219.0
Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	34.5	62.4
Notes receivable allowances	(1.1)	(2.6)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	152.9	169.8
Notes receivable allowances	(13.7)	(10.6)
Balances over 90 days past due | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	34.9	29.2
Notes receivable allowances for balances over 90 days past due	(14.5)	(12.0)
Notes receivable, net, balances over 90 days past due	20.4	17.2
Balances over 90 days past due | Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	0.8	2.6
Notes receivable allowances for balances over 90 days past due	(0.8)	(2.5)
Balances over 90 days past due | International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	34.1	26.6
Notes receivable allowances for balances over 90 days past due	$ (13.7)	$ (9.5)