Acquisition and Investments Variable Interest Entity (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Grolsch
Variable Interest Entity
Total Assets	$ 5.1	$ 4.4
Total Liabilities	0.5	0.5
Cobra
Variable Interest Entity
Total Assets	16.4	14.2
Total Liabilities	0.8	1.1
Rocky Mountain Metal Container [Member]
Variable Interest Entity
Total Assets	74.9	70.2
Total Liabilities	4.4	3.5
Rocky Mountain Bottle Company [Member]
Variable Interest Entity
Total Assets	57.5	53.1
Total Liabilities	$ 2.6	$ 2.5