SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (Allowance for Doubtful Accounts [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ 122.6	$ 103.0	$ 144.0
Additions to costs and expenses	119.1	113.3	66.4
Acquisitions	7.9	12.9	4.0
Deductions or write-offs	(120.5)	(98.1)	(113.6)
Foreign currency translation adjustments	(13.0)	1.7	2.2
Disposals/ discontinued operations	0	(10.2)	0
Balance at end of period	$ 116.1	$ 122.6	$ 103.0