Note 10 - Investments in Marketable Securities (Tables)

6 Months Ended

Mar. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	March 31, 2014						September 30, 2013
	(Unaudited)
	Aggregate fair value		Amortized/ Adjusted cost basis		Pretax  unrealized  gains		Aggregate fair value		Amortized/ Adjusted cost basis		Pretax unrealized gains
Marketable securities
Common stocks	$	160,128,000	$	43,042,000	$	117,086,000	$	129,699,000	$	43,042,000	$	86,657,000
Bonds		7,900,000		4,935,000		2,965,000		7,295,000		4,934,000		2,361,000
Total	$	168,028,000	$	47,977,000	$	120,051,000	$	136,994,000	$	47,976,000	$	89,018,000