SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2011

Activity In Allowance For Doubtful Accounts

The activity in the allowance for doubtful accounts is as follows at the dates indicated (in thousands):


	December 31,
	2011			2010			2009
Balance at beginning of period	$	2,893		$	1,544		$	2,083
Charged to expense		200			4,868			350
Write-offs, net of recoveries		(745	)		(3,519	)		(889	)

Balance at end of period	$	2,348		$	2,893		$	1,544

- Definition

Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance.

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