Segment Reporting - Revenues by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue, Major Customer [Line Items]
Total revenues	$ 1,041.4	$ 261.2	$ 1,973.4	$ 502.1
Tim Hortons [Member]
Revenue, Major Customer [Line Items]
Total revenues	763.2		1,445.6
Burger King [Member]
Revenue, Major Customer [Line Items]
Total revenues	$ 278.2	$ 261.2	$ 527.8	$ 502.1