STOCK-BASED EMPLOYEE COMPENSATION (Stock Options) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Vested and exercisable as of March 31, 2017 and expected to vest thereafter, net of estimated forfeitures
Allocated Share-based Compensation Expense	$ 58,948	$ 66,000
Employee Stock Option [Member]
Number of Shares
Beginning balance (in shares)	48,983
Exercised (in shares)	(3,992)
Forfeited (in shares)	(610)
Ending balance (in shares)	44,381.000		48,983
Weighted-Average Exercise Price
Beginning balance (in dollars per share)	$ 372.07
Exercised (in dollars per share)	368.68
Forfeited (in dollars per share)	894.15
Ending balance (in dollars per share)	$ 365.20		$ 372.07
Aggregate Intrinsic Value	$ 62,789		$ 53,587
Weighted Average Remaining Contractual Term	4 years 2 months		4 years 5 months
Vested and exercisable as of March 31, 2017
Number of Shares	43,125
Weighted Average Exercise Price (in dollars per share)	$ 354.23
Aggregate Intrinsic Value	$ 61,485
Weighted Average Remaining Contractual Term, Exercisable	4 years 1 month
Vested and exercisable as of March 31, 2017 and expected to vest thereafter, net of estimated forfeitures
Number of Shares	44,381
Weighted Average Exercise Price (in dollars per share)	$ 365.20
Aggregate Intrinsic Value	$ 62,789
Weighted Average Remaining Contractual Term	4 years 2 months
Stock options exercised, total intrinsic value	$ 5,400	$ 12,700
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares	539	5,367
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	$ 300	$ 3,500
Allocated Share-based Compensation Expense	300	$ 2,900
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	$ 700
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	8 months