Additional Financial Information Disclosures (Tables)

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Changes in warranty and after-sale costs reserve

Changes in the Company's warranty and after-sale costs reserve are as follows:

	Three months ended						Six Months Ended
	June 30,						June 30,
(In thousands)	2013			2012			2013			2012
Balance at beginning of period	$	717		$	1,406		$	881		$	1,593
Net additions charged to earnings	142			166			342			345
Costs incurred	(164		)	(420		)	(528		)	(786		)
Balance at end of period	$	695		$	1,152		$	695		$	1,152