STOCK BASED COMPENSATION - Stock Option Activity (Detail)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Number of Options
Outstanding at beginning of year | shares	5,377,857
Granted | shares	1,056,490
Exercised | shares	(906,104)
Forfeited | shares	(188,927)
Canceled or expired | shares	(4,513)
Outstanding at December 31, 2015 | shares	5,334,803
Exercisable at December 31, 2015 | shares	2,747,266
Vested and expected to vest at December 31, 2015 | shares	5,135,286
Weighted Average Exercise Price per Share
Outstanding at beginning of year | $ / shares	$ 80.88
Granted | $ / shares	130.56
Exercised | $ / shares	66.93
Forfeited | $ / shares	111.07
Canceled or expired | $ / shares	84.52
Outstanding at December 31, 2015 | $ / shares	92.02
Exercisable at December 31, 2015 | $ / shares	73.22
Vested and expected to vest at December 31, 2015 | $ / shares	$ 91.00