Variable Interest Entities - Schedule of Sales and Operating Costs and Expenses Associated with VIEs, Prior to Consolidation Adjustments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Variable Interest Entity [Line Items]
Sales	$ 586.4	$ 545.9	$ 1,635.5	$ 1,613.2
Restaurant VIEs [Member]
Variable Interest Entity [Line Items]
Sales	32.4	54.6	98.1	180.2
Operating costs and expenses	$ 31.3	$ 53.5	$ 94.8	$ 176.6