Note 10 - Investments in Marketable Securities (Tables)

9 Months Ended

Jun. 30, 2014

Investments, Debt and Equity Securities [Abstract]

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

	June 30, 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	$	158,630,000	$	43,042,000	$	115,588,000	$	129,699,000	$	43,042,000	$	86,657,000
Bonds		8,193,000		4,936,000		3,257,000		7,295,000		4,934,000		2,361,000
Total	$	166,823,000	$	47,978,000	$	118,845,000	$	136,994,000	$	47,976,000	$	89,018,000