SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for doubtful accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 35.9	$ 27.6	$ 12.5
Charged to Costs and Expenses	38.9	5.2	5.8
Charged to Other Accounts	6.2	7.9	10.2
Deductions	(13.7)	(4.8)	(0.9)
Balance at End of Year	67.3	35.9	27.6
Deferred tax asset valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	859.2	477.6	124.5
Charged to Costs and Expenses	343.3	272.6	214.1
Charged to Other Accounts	164.1	109.0	139.0
Deductions	0.0	0.0	0.0
Balance at End of Year	$ 1,366.6	$ 859.2	$ 477.6