Accounts and Notes Receivable and Credit Quality of Notes Receivable - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total accounts and notes receivable, net	$ 679.7	$ 706.1
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	222.2	232.2
Notes receivable allowance for doubtful accounts	(14.6)	(13.2)	$ (8.2)	$ (5.9)
Total accounts and notes receivable, net	207.6	219.0
Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	52.3	62.4
Notes receivable allowance for doubtful accounts	(2.5)	(2.6)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	169.9	169.8
Notes receivable allowance for doubtful accounts	(12.1)	(10.6)
Balances over 90 days past due | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable past due	38.9	29.2
Notes receivable allowance for doubtful accounts, balances over 90 days past due	(14.6)	(12.0)
Notes receivable, net, balances over 90 days past due	24.3	17.2
Balances over 90 days past due | Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable past due	2.9	2.6
Notes receivable allowance for doubtful accounts, balances over 90 days past due	(2.5)	(2.5)
Balances over 90 days past due | International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable past due	36.0	26.6
Notes receivable allowance for doubtful accounts, balances over 90 days past due	$ (12.1)	$ (9.5)