UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 25,431	$ 27,453
Accounts receivable, net	20,614	20,634
Income taxes receivable	3,419	2,576
Materials and supplies	6,576	6,360
Prepaid expenses and other	3,718	3,770
Assets held for sale	7,867	9,305
Deferred income taxes	715	702
Total current assets	68,340	70,800
Investments, including $2,375 and $2,287 carried at fair value	8,691	9,090
Property, plant and equipment, net	289,337	280,051
Other Assets
Intangible assets, net	85,543	90,389
Cost in excess of net assets of businesses acquired	10,962	10,962
Deferred charges and other assets, net	4,426	5,145
Net other assets	100,931	106,496
Total assets	467,299	466,437
Current Liabilities
Current maturities of long-term debt	19,559	14,823
Accounts payable	10,953	12,237
Advanced billings and customer deposits	8,989	8,067
Accrued compensation	1,401	3,278
Liabilities held for sale	799	910
Accrued liabilities and other	6,849	5,583
Total current liabilities	48,550	44,898
Long-term debt, less current maturities	169,500	180,289
Other Long-Term Liabilities
Deferred income taxes	36,494	35,902
Deferred lease payable	3,949	3,734
Asset retirement obligations	6,777	6,542
Other liabilities	4,887	4,767
Total other liabilities	52,107	50,945
Commitments and Contingencies
Shareholders' Equity
Common stock	20,651	19,833
Retained earnings	176,491	170,472
Total shareholders' equity	197,142	190,305
Total liabilities and shareholders' equity	$ 467,299	$ 466,437