Supplemental Information

12 Months Ended

Dec. 31, 2011

Supplemental Information [Abstract]

Supplemental Information

NOTE Q—SUPPLEMENTAL INFORMATION

Valuation and Qualifying Accounts

Allowance for Doubtful Accounts

	2011			2010			2009
Balance at beginning of period	$	1,922		$	2,333		$	3,378
Additions		—			543			463
Recoveries/write-offs		(176	)		(954	)		(1,508	)
Balance at end of period	$	1,746		$	1,922		$	2,333

Allowance for Deferred Tax Assets

	2011		2010		2009
Balance at beginning of period	$	—	$	—	$	115
Additions		—		—		—
Releases and other reductions		—		—		(115	)
Balance at end of period	$	—	$	—	$	—