Liability for Warranty Returns (Tables)

3 Months Ended

Mar. 31, 2014

Guarantees [Abstract]

Summary of Warranty Expense and Write-Off Activity

A summary of warranty expense and write-off activity for the three months ended March 31, 2014 and 2013 is as follows:

	Three Months Ended March 31,
	2014			2013
(In thousands)
Balance at beginning of period	$	8,977		$	9,653
Plus: Amounts charged to cost and expenses		434			397
Less: Deductions		(2,019	)		(1,258	)
Balance at end of period	$	7,392		$	8,792