SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 9,300
Balance at End of Year	9,100	$ 9,300
Allowance for Doubtful Accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	9,348	10,255	$ 8,636
Additions Charged to Income	1,680	2,521	1,949
Accounts Receivable Write-offs	(1,739)	(2,601)	(596)
Translation and Other	(234)	(827)	266
Balance at End of Year	$ 9,055	$ 9,348	$ 10,255