Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts Disclosure [Line Items]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

SCHEDULE II

PURSUANT TO ITEM 15(a)(2)

OF FORM 10-K VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED

December 31, 2011, 2010 AND 2009

			ADDITIONS
DESCRIPTION	BALANCE AT BEGINNING OF PERIOD		CHARGED TO COSTS AND EXPENSES		CHARGED (CREDITED) TO OTHER ACCOUNTS(A)			DEDUCTIONS(B)		BALANCE AT END OF PERIOD
Allowance for doubtful accounts deducted from accounts receivable in the balance sheet
Year ended December 31, 2011	$	4,440,000	$	340,000	$	230,000		$	1,230,000	$	3,780,000
Year ended December 31, 2010	$	5,560,000	$	730,000	$	(230,000	)	$	1,620,000	$	4,440,000
Year ended December 31, 2009	$	5,620,000	$	1,750,000	$	—		$	1,810,000	$	5,560,000

________________________________________

(A) Allowance of companies acquired, and other adjustments, net.

(B) Deductions, representing uncollectible accounts written-off, less recoveries of amounts written-off in prior years.