Warranty Costs (Tables)

6 Months Ended

Jun. 30, 2012

Notes To Financial Statements [Abstract]

Product Warranty Table Disclosure

A rollforward of the warranty reserve is as follows:

	Six Months Ended
	Jun 30, 2012
	(in thousands)
Beginning balance	$	13,842
Warranty reserve related to acquisitions	292
Warranty expense	13,888
Warranty claims	(12,548		)
Ending balance	$	15,474