Fair Value Of Assets And Liabilities (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value Of Assets And Liabilities

Valuation Of Assets And Liabilities Measured At Fair Value On Recurring Basis

	Level 1		Level 3		Fair Value
September 30, 2011
Liabilities
Acquisition-related contingent consideration-short-term (1)	$	0	$	10,483	$	10,483
Acquisition-related contingent consideration-long-term (2)		0		11,112		11,112
Total liabilities measured at fair value	$	0	$	21,595	$	21,595
December 31, 2010
Assets
Money Market Funds (3)	$	101,600	$	0	$	101,600

(1) Included in current installments of long-term obligations in the accompanying condensed consolidated balance sheets.

(2) Included in long-term obligations, excluding current installments in the accompanying condensed consolidated balance sheets.

(3) Included in cash and cash equivalents in the accompanying condensed consolidated balance sheets. The balance in money market funds at September 30, 2011 was $0.

Changes In Estimated Fair Values Of Assets And Liabilities Measured Using Significant Unobservable Inputs

	(In thousands)
	Assets		Liabilities
Balance on December 31, 2010	$	0	$	0
Acquisition-related contingent consideration recorded in 2011		0		21,595
Balance on September 30, 2011	$	0	$	21,595

Estimated Fair Value Of Assets And Liabilities Not Measured On Recurring Basis

(In thousands)	September 30, 2011				December 31, 2010
	Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Short-term investments – held to maturity	$	20,000	$	20,000	$	40,000	$	40,000
Restricted cash		0		0		345		345
Liabilities:
2.75% Series A Debentures		263,322		284,109		255,727		302,672
2.75% Series B Debentures		241,197		284,281		234,047		305,422
Short-term debt		80,000		80,000		0		0
Deferred acquisition obligations		14,227		14,227		619		619