Warranty Reserves (Tables)

12 Months Ended

Dec. 31, 2012

Warranty Reserves [Abstract]

Summary Of Changes In Accrued Warranty Reserves

	For the Years Ended December 31,
		2012		2011
Balance, beginning of year	$	1,693	$	2,196
Provision for warranty expense		2,321		2,507
Change in estimate, balance beginning of year		(92)		(395)
Settlement of warranty liability		(2,339)		(2,615)
Balance, end of year	$	1,583	$	1,693