Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation And Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts

Healthcare Services Group, Inc. and

Subsidiaries Schedule II — Valuation

and Qualifying Accounts

Years Ended December 31, 2011, 2010,

and 2009

			Additions
Description	Balance — Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts		Deductions(A)		Balance — End of Period
2011
Allowance for Doubtful Accounts	$	4,069,000	$	2,450,000	$	—	$	2,013,000	$	4,506,000
2010
Allowance for Doubtful Accounts	$	4,640,000	$	2,200,000	$	—	$	2,771,000	$	4,069,000
2009
Allowance for Doubtful Accounts	$	3,214,000	$	2,404,000	$	—	$	978,000	$	4,640,000

^(A) Represents write-offs