Investments (Tables)

9 Months Ended

Sep. 30, 2012

Investments [Abstract]

Investment Securities Stated At Fair Value

As of September 30, 2012:

			Fair Value Measurements at Reporting Date Using
		Total as of		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
		September 30, 2012		(Level 1)		(Level 2)		(Level 3)
Cash & Cash Equivalents	$	381,101,955	$	381,101,955	$	-	$	-
Short-Term Investments:
Government Securities		21,298,865		21,298,865		-		-
Other		223,434		223,434		-		-
Long-Term Investments:
Common Stocks		53,999,028		53,999,028		-		-
Mutual Funds – Equity		79,157,147		79,157,147		-		-
Certificate of Deposit		510,881		-		510,881		-
Corporate Bonds		5,813,721		-		5,813,721		-
Government Securities		5,001,700		5,001,700
Other – Equity		605,400		605,400		-		-
Total	$	547,712,131	$	541,387,529	$	6,324,602	$	-

     As of December 31, 2011:       

			Fair Value Measurements at Reporting Date Using
		Total as of		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
		December 31, 2011		(Level 1)		(Level 2)		(Level 3)
Cash & Cash Equivalents	$	357,986,774	$	357,986,774	$	-	$	-
Short-Term Investments:
Government Securities		35,024,030		35,024,030		-		-
U.S. Treasury Notes		25,044,000		-		25,044,000		-
Corporate Bonds		649,204		-		649,204		-
Other		91,003		91,003		-		-
Long-Term Investments:
Common Stocks		53,554,303		53,554,303		-		-
Mutual Funds – Equity		73,749,772		73,749,772		-		-
Certificate of Deposit		505,390		-		505,390		-
Other – Equity		358,700		358,700		-		-
Total	$	546,963,176	$	520,764,582	$	26,198,594	$	-

Schedule Of Amortized Cost, Unrealized Gains And Losses, And Market Value Of Investment Securities

As of September 30, 2012:

			Unrealized
		Cost	Gains			Losses		Market Value
Short-Term Investments:
Government Securities	$	21,295,669	$	3,346	$	(150)	$	21,298,865
Other		223,434		-		-		223,434
Long-Term Investments:
Common Stocks		40,253,871		14,267,950		(522,793)		53,999,028
Mutual Funds – Equity		68,100,189		11,251,594		(194,636)		79,157,147
Certificate of Deposit		510,881		-		-		510,881
Corporate Bonds		5,789,019		29,090		(4,388)		5,813,721
Government Securities		5,000,217		1,483		-		5,001,700
Other – Equity		588,506		16,894		-		605,400
Total	$	141,761,786	$	25,570,357	$	(721,967)	$	166,610,176

     As of December 31, 2011:

			Unrealized
		Cost		Gains		Losses		Market Value
Short-Term Investments:
Government Securities	$	35,016,980	$	7,090	$	(40)	$	35,024,030
U.S. Treasury Notes		25,025,600		18,400		-		25,044,000
Corporate Bonds		648,879		325		-		649,204
Other		91,003		-		-		91,003
Long-Term Investments:
Common Stocks		42,344,526		12,274,640		(1,064,863)		53,554,303
Mutual Funds – Equity		68,986,676		6,277,183		(1,514,087)		73,749,772
Certificate of Deposit		505,390		-		-		505,390
Other – Equity		338,506		20,194		-		358,700
Total	$	172,957,560	$	18,597,832	$	(2,578,990)	$	188,976,402

Schedule Of Unrealized Loss On Investments

	Aggregate Unrealized Losses		Aggregate Fair Value
Less than one year	$	(721,967)	$	16,082,527
Greater than one year		-		-

Unrealized losses on investments as of December 31, 2011 are as follows:

	Aggregate Unrealized Losses		Aggregate Fair Value
Less than one year	$	(2,578,990)	$	42,845,635
Greater than one year		-		-

Maturities Of Fixed Income Securities

Due within one year	$	21,522,299
Due between one and five years		11,326,302
Due over five years		-
Total	$	32,848,601