EQUITY - UNVESTED RSU TRANSACTIONS (Details) - Restricted Stock Units (RSUs) shares in Millions	12 Months Ended
	Dec. 31, 2016 $ / shares shares
Number of Shares
Unvested at December 31, 2015 | shares	1.1
Granted | shares	0.4
Merger | shares	1.0
Vested | shares	(0.5)
Forfeited | shares	(0.1)
Unvested at December 31, 2016 | shares	1.9
Weighted Average Grant Date Fair Value
Unvested at December 31, 2015 (in dollars per share) | $ / shares	$ 45.82
Granted (in dollars per share) | $ / shares	56.40
Merger (in dollars per share) | $ / shares	46.64
Vested (in dollars per share) | $ / shares	40.06
Forfeited (in dollars per share) | $ / shares	50.77
Unvested at December 31, 2016 (in dollars per share) | $ / shares	$ 49.55