Special Items Summary Special Items (Details) £ in Millions, CAD in Millions, $ in Millions	1 Months Ended	3 Months Ended							6 Months Ended			12 Months Ended
	Dec. 31, 2013 GBP (£)	Jun. 30, 2016 CAD	Jun. 30, 2016 GBP (£)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 CAD	Jun. 30, 2015 GBP (£)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 CAD	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 GBP (£)	Jun. 30, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Fair Value Of Assets Sold | CAD						CAD 185.0
(Gain) Loss on Disposition of Property Plant Equipment					$ (110.4)
Accounts and Other Receivables, Net, Current		CAD 183.1							CAD 183.1				$ 140.8
Direct Costs of Leased and Rented Property or Equipment | CAD									CAD 5.0
Special items				$ 34.5				$ 33.7		$ (74.1)	$ 42.3
Intangible asset write-off				10.1				5.9		19.7	13.7
Heineken [Member]
Restructuring Cost and Reserve [Line Items]
Gain (Loss) on Contract Termination | £	£ 13.0
Proceeds From Collection of Termination Fees | £							£ 8.0					£ 5.0
Canada [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation expense | CAD		CAD 16.2
Canada [Member] | Asset Abandonment [Member]
Restructuring Cost and Reserve [Line Items]
Special items				1.4				8.2		2.5	8.2
Accelerated depreciation expense				1.3						2.4	7.9
Canada [Member] | Sale of Asset [Member]
Restructuring Cost and Reserve [Line Items]
Unusual or Infrequent Item, Gain, Gross				0.0				0.0		(110.4)	0.0
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Termination fee (income) expense				0.0				10.0		0.0	10.0
Accelerated depreciation expense | £			£ 7.0
Loss on Contract Termination							£ 19.0	29.4
Europe [Member] | Heineken [Member]
Restructuring Cost and Reserve [Line Items]
Proceeds From Collection of Termination Fees								19.4
Europe [Member] | Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Special items				(0.2)				0.2		(1.8)	(1.0)
Europe [Member] | Asset Abandonment [Member]
Restructuring Cost and Reserve [Line Items]
Special items				2.5				9.3		4.8	21.1
Accelerated depreciation expense				2.0				8.0		3.9	19.8
Europe [Member] | Flood loss [Member]
Restructuring Cost and Reserve [Line Items]
Unusual or Infrequent Item, Net of Insurance Proceeds				0.0				(0.4)		0.0	(2.4)
MCI [Member] | Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Special items				0.0				3.2		0.0	3.2
MCI [Member] | Asset Abandonment [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation expense											0.7
MCI [Member] | China Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Special items				$ 30.8				$ 3.2		$ 30.8	$ 3.2