Condensed Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 5,915	$ 7,136	$ 6,360	$ 30,356
Other comprehensive income (loss):
Foreign currency translation adjustments	2,045	(1,470)	1,654	(1,718)
Unrealized gain (loss) on derivatives, net of tax	447	(853)	(3,911)	(4,399)
Other	86	(546)	302	(752)
Other comprehensive income (loss)	2,578	(2,869)	(1,955)	(6,869)
Comprehensive income (loss)	$ 8,493	$ 4,267	$ 4,405	$ 23,487