INCOME TAXES (Effective Income Tax Rate Reconciliation) (Detail)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
U.S. federal statutory tax rate	35.00%	35.00%	35.00%
State and local taxes, net of federal benefit	1.80%	1.10%	4.30%
R&D tax credits	(1.30%)	(0.90%)	(1.30%)
Foreign rate differential	(6.00%)	(5.80%)	(6.20%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent	(2.60%)
Effective Income Tax Rate Reconciliation, Tax Cuts & Jobs Act, Percent	3.40%
All other, net	(2.00%)	(0.10%)	(1.70%)
Effective tax rate	28.30%	29.30%	30.10%