UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 21,862	$ 27,453
Accounts receivable, net	20,915	20,634
Income taxes receivable	6,470	2,576
Materials and supplies	5,310	6,360
Prepaid expenses and other	3,932	3,770
Assets held for sale	6,967	9,305
Deferred income taxes	620	702
Total current assets	66,076	70,800
Investments, including $2,041 and $2,287 carried at fair value	8,453	9,090
Property, plant and equipment, net	300,110	280,051
Other Assets
Intangible assets, net	83,201	90,389
Cost in excess of net assets of businesses acquired	10,962	10,962
Deferred charges and other assets, net	4,339	5,145
Net other assets	98,502	106,496
Total assets	473,141	466,437
Current Liabilities
Current maturities of long-term debt	21,911	14,823
Accounts payable	7,790	12,237
Advanced billings and customer deposits	10,022	8,067
Accrued compensation	2,627	3,278
Liabilities held for sale	1,017	910
Accrued liabilities and other	7,590	5,583
Total current liabilities	50,957	44,898
Long-term debt, less current maturities	164,087	180,289
Other Long-Term Liabilities
Deferred income taxes	41,901	35,902
Deferred lease payable	4,056	3,734
Asset retirement obligations	6,905	6,542
Other liabilities	4,656	4,767
Total other liabilities	57,518	50,945
Commitments and Contingencies
Shareholders' Equity
Common stock	21,086	19,833
Retained earnings	179,493	170,472
Total shareholders' equity	200,579	190,305
Total liabilities and shareholders' equity	$ 473,141	$ 466,437