Restructuring (Tables)

12 Months Ended

Dec. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Activity

The following table presents a summary of the restructuring activity for the years ended December 31, 2018, 2017, and 2016.

	Severance Charges			Other Associated Costs			Total
	(In thousands)
Accrued charges at December 31, 2015	$	3,305		$	—		$	3,305
Costs incurred	2,017			—			2,017
Costs paid	(3,345		)	—			(3,345		)
Accrued charges at December 31, 2016	1,977			—			1,977
Costs incurred	—			—			—
Costs paid	(1,640		)	—			(1,640		)
Accrued charges at December 31, 2017	337			—			337
Costs incurred	5,457			2,372			7,829
Costs paid	(1,898		)	(1,582		)	(3,480		)
Accrued charges at December 31, 2018	$	3,896		$	790		$	4,686