Note 8 - Investments in Marketable Securities (Tables)

6 Months Ended

Mar. 31, 2015

Notes Tables

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

	Investments
	March 31, 2015						September 30, 2014
	(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	$	164,589,000	$	49,980,000	$	114,609,000	$	165,734,000	$	43,042,000	$	122,692,000
Bonds		8,276,000		4,937,000		3,339,000		7,942,000		4,934,000		3,008,000
Total	$	172,865,000	$	54,917,000	$	117,948,000	$	173,676,000	$	47,976,000	$	125,700,000