Warranties (Tables)

3 Months Ended

Mar. 31, 2013

Warranties [Abstract]

Schedule Of Warranty Liability And Related Activity

	Three-Month Periods Ended March 31,
	2013			2012
Beginning balance	$	520		$	423
Warranty provisions		48			35
Warranty claims		(137	)		(24	)
Adjustments to preexisting warranties		(12	)		(32	)
Ending balance	$	419		$	402