Restructuring Charges (Tables)

12 Months Ended

Dec. 31, 2014

Restructuring Charges.

Schedule of changes in restructuring liability

	Severance
	(In thousands)
Balance at December 31, 2011	$	171
Severance and related costs		4,169
Cash payments		(3,551	)
Non-cash items		(130	)
Balance at December 31, 2012	$	659
Severance and related costs		2,334
Cash payments		(2,950	)
Balance at December 31, 2013	$	43
Severance and related costs		2,565
Cash payments		(2,127	)
Balance at December 31, 2014	$	481