Business Segments (Tables)

3 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Business segments

	Three Months ended
	December 31,
		2015		2014
Revenues:
Asset management	$	6,915		6,757
Mining royalty lands		1,659		1,344
Land development and construction		249		201
	$	8,823		8,302
Operating profit:
Before corporate expenses:
Asset management	$	3,388		3,386
Mining royalty lands		1,525		1,200
Land development and construction		2,419		(528	)
Corporate expenses:
Allocated to asset management		(378	)	(300	)
Allocated to mining royalty		(55	)	(318	)
Allocated to land development and construction		(299	)	(176	)
Unallocated to discontinued operations		—		(919	)
		(732	)	(1,713	)
	$	6,600		2,345
Interest expense:
Asset management	$	481		445
Depreciation, depletion and amortization:
Asset management	$	1,798		1,786
Mining royalty lands		34		31
Land development and construction		64		66
	$	1,896		1,883
Capital expenditures:
Asset management		9,237		905
Mining royalty lands		—		—
Land development and construction		1,302		833
	$	10,539		1,738
		December 30,		September 30,
Identifiable net assets		2015		2015
Asset management	$	159,216		151,023
Mining royalty lands		39,298		39,300
Land development and construction		56,916		60,682
Cash items		1,174		419
Unallocated corporate assets		505		1,054
	$	257,109		252,478