Long-Term Obligations (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2011

Sep. 30, 2011

Long-Term Obligations

Schedule Of Long-Term Obligations

	September 30, 2011			December 31, 2010
	(In thousands)
Series A convertible debentures to mature in 2037, bearing fixed interest of 2.75%, with a put/call option in 2012	$	275,000		$	275,000
Unamortized discount		(11,678	)		(19,273	)
Series B convertible debentures to mature in 2037, bearing fixed interest of 2.75%, with a put/call option in 2014		275,000			275,000
Unamortized discount		(33,803	)		(40,953	)
Eurodollar loans under five-year revolving credit agreement bearing annual interest equal to the British Bankers Association LIBOR Rate ("BBA LIBOR") plus an applicable margin based on the Company's consolidated leverage ratio (consolidated funded indebtedness to consolidated EBITDA)		80,000			0
Other long-term obligations		2,111			4,497
Unsecured acquisition obligations and contingent consideration, net of imputed interest, payable in various installments through 2014		35,822			619
Total long-term obligations		622,452			494,890
Less: current installments		104,710			619
Long-term obligations, excluding current installments	$	517,742		$	494,271

Debt And Equity Components For Convertible Debentures

	September 30, 2011						December 31, 2010
	Series A			Series B			Series A			Series B
Principal amount of convertible debentures	$	275,000		$	275,000		$	275,000		$	275,000
Unamortized discount		(11,678	)		(33,803	)		(19,273	)		(40,953	)
Net carrying amount		263,322			241,197			255,727			234,047
Additional paid-in capital		29,065			41,238			29,065			41,238

Interest Expense

	September 30, 2011				September 30, 2010
	Series A		Series B		Series A		Series B
Contractual coupon interest	$	1,891	$	1,891	$	1,891	$	1,891
Amortization of discount on convertible debentures		2,575		2,426		2,405		2,259
Interest expense	$	4,466	$	4,317	$	4,296	$	4,150

	September 30, 2011				September 30, 2010
	Series A		Series B		Series A		Series B
Contractual coupon interest	$	5,672	$	5,672	$	5,672	$	5,672
Amortization of discount on convertible debentures		7,595		7,150		7,095		6,655
Interest expense	$	13,267	$	12,822	$	12,767	$	12,327