Acquisition and Investments Variable Interest Entity (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Grolsch
Variable Interest Entity
Total Assets	$ 4.7	$ 4.4
Total Liabilities	0.3	0.5
Cobra
Variable Interest Entity
Total Assets	17.5	14.2
Total Liabilities	0.7	1.1
Rocky Mountain Metal Container [Member]
Variable Interest Entity
Total Assets	77.3	70.2
Total Liabilities	3.9	3.5
Rocky Mountain Bottle Company [Member]
Variable Interest Entity
Total Assets	54.7	53.1
Total Liabilities	$ 2.0	$ 2.5