Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 11.6
Goodwill activity:
Balance at beginning of year	2,191.6
Foreign currency translation	(87.9)
Balance at end of year	2,115.3
Intangible Assets Gross, Excluding Goodwill	5,727.9	$ 6,115.4
Canada [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	0.0
Percentage Of Fair Value Exceeding Carrying Value		11.00%
Goodwill activity:
Balance at beginning of year	656.5
Foreign currency translation	(45.8)
Balance at end of year	610.7
Europe [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	0.0
Percentage Of Fair Value Exceeding Carrying Value		14.00%
Goodwill activity:
Balance at beginning of year	1,528.0
Foreign currency translation	(41.8)
Balance at end of year	1,486.2
MCI [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	11.6
Goodwill activity:
Balance at beginning of year	7.1
Foreign currency translation	(0.3)
Balance at end of year	$ 18.4