Supplemental Information

12 Months Ended

Dec. 31, 2012

Supplemental Information [Abstract]

SUPPLEMENTAL INFORMATION

NOTE Q—SUPPLEMENTAL INFORMATION

Valuation and Qualifying Accounts

Allowance for Doubtful Accounts

	2012			2011			2010
Balance at beginning of period	$	1,746		$	1,922		$	2,333
Additions		336			—			543
Recoveries/write-offs		(634	)		(176	)		(954	)
Balance at end of period	$	1,448		$	1,746		$	1,922