INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Line Items]
Accrued interest and penalties expense (benefit)	$ (1.6)	$ 0.3	$ 1.0
Undistributed earnings of foreign subsidiaries	353.7
Deferred tax valuation allowance increase (decrease)	9.3	34.3
Tax loss carryforwards	727.9
Tax loss carryforwards - expiring 2018	0.1
Tax loss carryforwards - expiring 2019	1.2
Tax loss carryforwards - expiring 2020	1.0
Tax loss carryforwards - expiring 2021 and beyond	533.4
Tax loss carryforwards - unlimited	192.2
Unrecognized tax benefits	84.9	93.3	65.0
Income tax penalties and interest accrued	9.0	$ 10.6	$ 10.3
Unrecognized tax benefits that would Iimpact effective tax rate	48.4
Tax deferred expense	36.5
Increase in unrecognized tax benefits is reasonably possible	6.4
Foreign [Member]
Income Tax Disclosure [Line Items]
Tax loss carryforwards	208.6
Domestic [Member]
Income Tax Disclosure [Line Items]
Tax loss carryforwards	519.3
Tax Payment [Member]
Income Tax Disclosure [Line Items]
Due to related parties	2.8
Due to related parties, noncurrent	$ 0.9