STOCK-BASED COMPENSATION PLANS - Restricted Stock Activity and Incentive Stock Awards Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding, beginning of period (in dollars per share)	$ 78.76	$ 72.18	$ 65.89
Granted (in dollars per share)	73.76	86.66	66.03
Vested (in dollars per share)	81.55	70.34	51.80
Adjustment for incentive stock awards expected to vest (in dollars per share)	74.62	73.69	74.42
Canceled (in dollars per share)	78.60	76.61	71.84
Outstanding, end of period (in dollars per share)	$ 75.51	$ 78.76	$ 72.18
Restricted Stock and Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding, beginning of period (in shares)	399,000	396,295.000	356,885
Granted (in shares)	224,060	153,516	212,600
Vested (in shares)	(148,644)	(137,088)	(159,975)
Adjustment for incentive stock awards expected to vest (in shares)	0	0	0
Canceled (in shares)	(29,327)	(13,723)	(13,215)
Outstanding, end of period (in shares)	445,089.000	399,000	396,295.000
Incentive Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding, beginning of period (in shares)	327,333	424,750	541,638
Granted (in shares)	175,100	157,025	167,850
Vested (in shares)	(93,312)	(153,271)	(236,591)
Adjustment for incentive stock awards expected to vest (in shares)	32,996	(87,592)	(38,164)
Canceled (in shares)	(26,875)	(13,579)	(9,983)
Outstanding, end of period (in shares)	415,242	327,333	424,750