Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value, by Balance Sheet Grouping

The following tables present information as of June 30, 2012 and December 31, 2011, about our financial assets and liabilities that are measured at fair value on a recurring basis, according to the valuation techniques we used to determine their fair values.

	Level 1		Level 2		Level 3		Total Fair Value
June 30, 2012
Contingent purchase price related to acquisitions	$	0	$	0	$	1,474	$	1,474
Total liabilities at fair value	$	0	$	0	$	1,474	$	1,474
December 31, 2011
Contingent purchase price related to acquisitions	$	0	$	0	$	13,070	$	13,070
Total liabilities at fair value	$	0	$	0	$	13,070	$	13,070

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The table below sets forth a reconciliation of our beginning and ending Level 3 financial liability balance.

	Three Months Ended June 30,
	2012			2011
Balance, beginning of period	$	1,265		$	12,871
Payments of contingent purchase price		(0	)		(468	)
Total unrealized losses included in earnings		209			1,090
Balance, end of period	$	1,474		$	13,493

	Six Months Ended June 30,
	2012			2011
Balance, beginning of period	$	13,070		$	16,623
Payments of contingent purchase price		(11,613	)		(4,318	)
Total unrealized losses included in earnings		17			1,188
Balance, end of period	$	1,474		$	13,493