Accounts and Notes Receivable and Credit Quality of Notes Receivable - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total accounts and notes receivable, net	$ 685.1	$ 706.1
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	198.6	232.2
Notes receivable allowance for doubtful accounts	(14.8)	(13.2)	$ (9.7)	$ (5.9)
Total accounts and notes receivable, net	183.8	219.0
Domestic | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	39.6	62.4
Notes receivable allowance for doubtful accounts	(2.3)	(2.6)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	159.0	169.8
Notes receivable allowance for doubtful accounts	(12.5)	(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	43.5	29.2
Notes receivable allowance for doubtful accounts over 90 days past due	(14.8)	(12.0)
Notes receivable, net, balances over 90 days past due	28.7	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	2.0	2.6
Notes receivable allowance for doubtful accounts over 90 days past due	(2.3)	(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	41.5	26.6
Notes receivable allowance for doubtful accounts over 90 days past due	$ (12.5)	$ (9.5)