Additional Financial Information Disclosures (Tables)

3 Months Ended

Mar. 31, 2014

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
	March 31,
(In thousands)	2014			2013
Balance at beginning of period	$	882		$	881
Net additions charged to earnings	586			200
Costs incurred	(269		)	(364		)
Balance at end of period	$	1,199		$	717