INCOME TAXES (Narrative) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
OperatingLossCarryforwardsLineItems
Operating loss carryforward	$ 18,000
Valuation allowance increase	(5,500)
Valuation allowance	12,322	$ 17,776
Tax Cuts and Jobs Act of 2017, Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Change in Tax Rate, Amount	4,300
Income tax payments	92,100	54,500	$ 4,900
Unrecognized tax benefits that would affect the effective income tax rate	10,100	$ 7,700	$ 8,300
Foreign Tax Authority
OperatingLossCarryforwardsLineItems
Operating loss carryforwards related to international operations	24,000
Indefinite lived operating loss carryforwards,	17,900
Operating loss carryforwards subject to expiration	$ 6,100
Operating loss carryforward, expiration date	Dec. 31, 2023
State And Local Jurisdiction [Member]
OperatingLossCarryforwardsLineItems
Operating loss carryforwards subject to expiration	$ 73,000
Operating loss carryforward, expiration date	Dec. 31, 2037
Operating loss carryforwards state and local	$ 104,100
Capital Loss Carryforward [Member]
OperatingLossCarryforwardsLineItems
Tax Credit Carryforward, Amount	$ 31,100
Capital loss carryforwards expiration date	Dec. 31, 2020
Other Liabilities [Member]
OperatingLossCarryforwardsLineItems
Interest on income taxes accrued	$ 2,600
Income tax penalties accrued	$ 1,600