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INCOME TAXES - Reconciliation of Income Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	21.00%	35.00%	35.00%
State taxes	1.60%	0.40%	2.10%
Foreign	0.70%	(8.30%)	(4.30%)
Research and development credit	(1.10%)	(0.80%)	(1.00%)
Manufacturing deduction	(0.00%)	(1.10%)	(1.80%)
France tax rate change	0.00%	(6.50%)	(6.50%)
U.S. tax rate change	(0.60%)	(7.90%)	0.00%
U.S. tax reform (benefit) provision	(1.40%)	15.60%	0.00%
Transaction costs related to acquisitions	0.00%	0.00%	1.50%
Other, net	0.40%	(0.90%)	(0.90%)
Effective rate	20.60%	25.50%	24.10%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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