SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance Beginning of Year	$ 261.7	$ 273.6	$ 339.7
Charges to Earnings	(3.0)	23.3	(9.7)
Other	(9.2)	0.6	(32.3)
Deductions	(17.3)	(35.8)	(24.1)
Valuation Allowances and Reserves, Balance End of Year	232.2	261.7	273.6
Allowance for doubtful accounts - Current
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance Beginning of Year	16.2	16.5	20.4
Charges to Earnings	5.0	0.4	5.6
Other	0.0	1.0	(5.4)
Deductions	(6.0)	(1.7)	(4.1)
Valuation Allowances and Reserves, Balance End of Year	15.2	16.2	16.5
Allowance for doubtful accounts - Non-current
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance Beginning of Year	23.3	25.2	27.4
Charges to Earnings	0.3	1.1	(1.5)
Other	(0.8)	1.5	(0.4)
Deductions	0.0	(4.5)	(0.3)
Valuation Allowances and Reserves, Balance End of Year	22.8	23.3	25.2
Reserve for inventory
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance Beginning of Year	85.8	83.3	76.8
Charges to Earnings	8.1	21.6	37.0
Other	(3.8)	10.5	(10.8)
Deductions	(11.3)	(29.6)	(19.7)
Valuation Allowances and Reserves, Balance End of Year	78.8	85.8	83.3
Valuation allowances for deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance Beginning of Year	136.4	148.6	215.1
Charges to Earnings	(16.4)	0.2	(50.8)
Other	(4.6)	(12.4)	(15.7)
Deductions	0.0	0.0	0.0
Valuation Allowances and Reserves, Balance End of Year	$ 115.4	$ 136.4	$ 148.6