Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Financial assets measured at fair value on a recurring basis

The Company’s fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis was as follows (in thousands):

	September 30, 2013								December 31, 2012
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	51,477	$	—	$	—	$	51,477	$	54,085	$	—	$	—	$	54,085
Rabbi Trust:
Mutual funds	27,911		—		—		27,911		22,041		—		—		22,041
Money market funds	5,207		—		—		5,207		5,698		—		—		5,698
Total assets	$	84,595	$	—	$	—	$	84,595	$	81,824	$	—	$	—	$	81,824
Liabilities:
Payables to plan participants	$	33,118	$	—	$	—	$	33,118	$	27,739	$	—	$	—	$	27,739
Acquisition contingent liability	—		—		—		—		—		—		1,100		1,100
Total liabilities	$	33,118	$	—	$	—	$	33,118	$	27,739	$	—	$	1,100	$	28,839

Carrying amount and estimated fair value of financial instruments

The carrying amount and estimated fair value of the Company’s other financial instruments were as follows (in thousands):

	September 30, 2013				December 31, 2012
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Assets:
Note receivable from CareCentrix	$	25,000	$	26,483	$	25,000	$	25,220
Seller financing note receivable from CareCentrix	3,471		3,471		3,471		3,471
Liabilities:
Long-term obligations	$	910,182	$	922,289	$	935,182	$	912,818