PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Company's pension plan weighted average) (Detail)	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	100.00%	100.00%
Cash and certificates of deposit
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0.00%	2.60%
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	15.60%	71.20%
Mutual Fund
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	84.40%	26.20%