Schedule II - Valuation and Qualifying Accounts (Details) (Allowance for Doubtful Accounts, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 151.4	[1]	$ 151.1	[1]	$ 145.2	[1]
Charged to costs & expenses	42.8		29.8		39.7
Impact of currency	(5.9)		(1.6)		(0.7)
Charged to other accounts	13.3	[2]	4.2	[2]	4.6	[2]
Write offs, write downs & deductions	49.9		32.1		37.7
Balance at end of year	$ 151.7	[1]	$ 151.4	[1]	$ 151.1	[1]

[1] Amounts include allowance for doubtful accounts classified as current and non-current

[2] Amounts related to businesses acquired, net of amounts related to businesses disposed.