Restructuring Charges (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring Charges [Abstract]

Schedule Of Accrued Restructuring

The following table summarizes the 2018 activity in the accrued restructuring balances related to the restructuring activities initiated prior to March 31,2018:

		Balance as of						Foreign			Balance as of
		December 31,		Restructuring			Cash	Exchange			March 31,
(in thousands)			2017		Charges		Payment	Adjustments			2018
2018 Restructuring:
	Severance	$	—	$	765	$	(746)	$	—	$	19
	Other exit costs		—		298		(168)		—		130
			—		1,063		(914)		—		149
2017 Restructuring:
	Severance		47		—		—		—		47
	Leased facilities and equipment		—		96		(96)		—		—
	Other exit costs		198		244		(210)		(1)		231
			245		340		(306)		(1)		278
2016 Restructuring:
	Severance		29		(1)		(3)		—		25
	Other exit costs		16		35		(16)		—		35
			45		34		(19)		—		60
Total		$	290	$	1,437	$	(1,239)	$	(1)	$	487