Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2018

Comprehensive Income Net Of Tax [Abstract]

Schedule Of Accumulated Other Comprehensive Loss

The changes in accumulated other comprehensive loss by component were as follows:

			Foreign			Unrealized
			currency		Derivative		loss on
			translation		instruments,	investments,
(in thousands)			adjustments		net of tax		net of tax		Other		Total
Balances, December 31, 2015		$	(13,079)	$	—	$	(95)	$	158	$	(13,016)
	Other comprehensive gain (loss) before reclassifications		(1,465)		286		21		(1)		(1,159)
	Amounts reclassified from accumulated
	other comprehensive loss		—		—		—		(1)		(1)
Net current period other comprehensive loss			(1,465)		286		21		(2)		(1,160)
Balances, December 31, 2016			(14,544)		286		(74)		156		(14,176)
	Other comprehensive gain (loss) before reclassifications		4,977		1,192		33		(175)		6,027
Net current period other comprehensive gain (loss)			4,977		1,192		33		(175)		6,027
Balances, December 31, 2017			(9,567)		1,478		(41)		(19)		(8,149)
	Other comprehensive gain (loss) before reclassifications		(2,273)		(1,126)		41		619		(2,739)
	Amounts reclassified from accumulated
	other comprehensive loss		—		(236)		—		—		(236)
Net current period other comprehensive gain (loss)			(2,273)		(1,362)		41		619		(2,975)
Balances, December 31, 2018		$	(11,840)	$	116	$	—	$	600	$	(11,124)