ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Components of accumulated other comprehensive loss
Balance at the beginning of the period			$ (915.9)	$ (132.8)
Foreign currency translation adjustment			(546.1)	(439.9)
Unrealized gain on equity method investment, net of tax				22.5
Net unrealized holding gain on available-for-sale equity securities, net of tax	$ 0.0	$ (0.9)	0.0	1.8
Reclassification to net income (loss)				(1.8)
Pension adjustment			(1.4)	(1.8)
Balance at the end of the period	(1,463.4)	(552.0)	(1,463.4)	(552.0)
Foreign Currency Translation Adjustment
Components of accumulated other comprehensive loss
Balance at the beginning of the period			(886.5)	(170.3)
Foreign currency translation adjustment			(546.1)	(439.9)
Balance at the end of the period	(1,432.6)	(610.2)	(1,432.6)	(610.2)
Pension Adjustment
Components of accumulated other comprehensive loss
Balance at the beginning of the period			(29.4)	37.5
Pension adjustment			(1.4)	(1.8)
Balance at the end of the period	(30.8)	35.7	(30.8)	35.7
Equity Securities [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Components of accumulated other comprehensive loss
Balance at the beginning of the period			0.0	0.0
Balance at the end of the period	0.0	22.5	0.0	22.5
Available-for-sale Securities [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Components of accumulated other comprehensive loss
Balance at the beginning of the period			0.0	0.0
Net unrealized holding gain on available-for-sale equity securities, net of tax				1.8
Reclassification to net income (loss)				(1.8)
Balance at the end of the period	$ 0.0	$ 0.0	$ 0.0	$ 0.0