Segment and Geographic Information - Net Sales Mix By Primary Product Categories (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue from External Customer [Line Items]
Net sales	$ 2,810.4	$ 2,623.2	$ 5,262.7	$ 4,924.1
Total food/non-food products
Revenue from External Customer [Line Items]
Net sales	911.3	852.4	1,718.3	1,605.0
Cigarettes
Revenue from External Customer [Line Items]
Net sales	1,899.1	1,770.8	3,544.4	3,319.1
Food
Revenue from External Customer [Line Items]
Net sales	408.9	373.0	762.6	696.3
Candy
Revenue from External Customer [Line Items]
Net sales	145.6	137.2	277.4	265.3
Other tobacco products
Revenue from External Customer [Line Items]
Net sales	221.5	211.0	421.1	398.9
Health, beauty & general
Revenue from External Customer [Line Items]
Net sales	90.6	88.2	180.1	171.2
Beverages
Revenue from External Customer [Line Items]
Net sales	44.2	42.6	76.3	72.9
Equipment/other
Revenue from External Customer [Line Items]
Net sales	$ 0.5	$ 0.4	$ 0.8	$ 0.4