PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Additional) (Detail) £ in Millions, $ in Millions	6 Months Ended			12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2016 GBP (£)	Jun. 30, 2015 USD ($)	Dec. 31, 2016 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%	6.00%
Defined Contribution Plan, Cost Recognized	$ 6.0		$ 7.5
Defined Contribution Plan, Employer Discretionary Contribution Amount	9.1
Foreign Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 4.4	£ 3
Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Discretionary Contribution Amount				$ 11.5