Accounts Receivable, Notes Receivable, Allowance for Doubtful Accounts and Bad Debt - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Argentina	Dec. 31, 2013 WMS Acquisition
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase in accounts and notes receivable, net					$ 330.0
Proceeds from sale of Racing Business	10.0	0	0
Bad debt expense	9.3	6.5	0.9
Accounts and notes receivable, net	577.3	220.2		41.2
Proceeds from collection of accounts and notes receivable, net				$ 9.7