OPERATING LEASES - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Leased Assets [Line Items]
Net rental expense	$ 20.2	$ 20.0	$ 18.2
Sublease rentals	$ 0.7	$ 0.1	$ 0.3
Minimum
Operating Leased Assets [Line Items]
Operating leases term, in years	1 year
Maximum
Operating Leased Assets [Line Items]
Operating leases term, in years	15 years