Note 7. Business Segment Information (Detail) - Segment Reporting Information - Identifiable Assets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Identifiable assets:
Identifiable assets	$ 50,324	$ 53,367
Waste Management Services [Member]
Identifiable assets:
Identifiable assets	13,709	16,869
Golf and Related Operations [Member]
Identifiable assets:
Identifiable assets	31,508	30,140
Corporate [Member]
Identifiable assets:
Identifiable assets	40,941	41,840
Subtotal [Member]
Identifiable assets:
Identifiable assets	86,158	88,849
Intersegment Elimination [Member]
Identifiable assets:
Identifiable assets	$ (35,834)	$ (35,482)