Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS (Weighted-Average Assumptions used to Determine Benefit Obligations) (Detail)

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BENEFIT PLANS (Weighted-Average Assumptions used to Determine Benefit Obligations) (Detail)
Dec. 31, 2015
Dec. 31, 2014
Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.86% 4.26%
Rate of compensation increase 4.71% 4.59%
Other Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.39% 4.05%