STOCK AWARD PLANS, Employee Plan Stock Option Activity (Details) - Employee Stock Award Plan [Member]	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Stock Award Plan Information [Abstract]
Shares available for future grants (in shares)	1,775,522
Stock Options [Member]
Stock Award Plan Information [Abstract]
Term of grant	7 years
Vesting period	3 years
Outstanding Non-Qualified or Nonincentive Stock Awards [Roll Forward]
Outstanding at Period Start (in shares)	601,121
Granted (in shares)	123,051
Exercised (in shares)	(21,135)
Forfeited (in shares)	(17,022)
Outstanding at Period End (in shares)	686,015
Weighted Average Exercise Price [Abstract]
Outstanding at Period Start (in dollars per share) | $ / shares	$ 65.33
Granted (in dollars per share) | $ / shares	68.46
Exercised (in dollars per share) | $ / shares	36.50
Forfeited (in dollars per share) | $ / shares	62.37
Outstanding at Period End (in dollars per share) | $ / shares	$ 66.85
Stock Appreciation Rights [Member]
Outstanding Non-Qualified or Nonincentive Stock Awards [Roll Forward]
Outstanding at Period End (in shares)	0