CONDENSED CONSOLIDATED STATEMENTS OF CAPITAL STOCK AND LONG TERM DEBT (Unaudited) (In thousands) (USD $) In Thousands, except Share data	3 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Common Stock, No Par Value Shares Authorized - 40,000 Shares Outstanding - 2011 - 15,611 , 2010 - 15,566	$ 140,543	$ 139,534
Retained Earnings	34,209	33,745
TOTAL COMMON EQUITY	174,752	173,279
Cumulative Preferred Stock, No Par Value: Shares Authorized - 134	0	0
Cumulative Preferred Stock, No Par Value: Shares Outstanding - 32	0	0
Convertible: Shares Outstanding, $7.00 Series - 14	1,457	1,457
Convertible: Shares Outstanding, $8.00 Series - 7	816	816
Nonredeemable: Shares Outstanding, $7.00 Series - 1	80	89
Nonredeemable: Shares Outstanding, $4.75 Series - 10	1,000	1,000
TOTAL PREFERRED STOCK	3,353	3,362
8.05%, Amortizing Secured Note, due December 20, 2021	2,389	2,456
6.25%, Amortizing Secured Note, due May 19, 2028	7,105	7,315
6.44%, Amortizing Secured Note, due August 25, 2030	5,367	5,507
6.46%, Amortizing Secured Note, due September 19, 2031	5,647	5,787
4.22%, State Revolving Trust Note, due December 31, 2022	566	585
3.30% to 3.60%, State Revolving Trust Note, due May 1, 2025	3,639	3,655
3.49%, State Revolving Trust Note, due January 25, 2027	649	664
4.03%, State Revolving Trust Note, due December 1, 2026	845	865
4.00% to 5.00%, State Revolving Trust Bond, due September 1, 2021	522	522
0.00%, State Revolving Fund Bond, due September 1, 2021	389	397
3.64%, State Revolving Trust Note, due July 1, 2028	372	387
3.64%, State Revolving Trust Note, due January 1, 2028	124	130
6.59%, Amortizing Secured Note, due April 20, 2029	6,220	6,395
7.05%, Amortizing Secured Note, due January 20, 2030	4,646	4,771
5.69%, Amortizing Secured Note, due January 20, 2030	9,530	9,786
3.45%, State Revolving Trust Note, due August 1, 2031	29	17
3.75%, State Revolving Trust Note, due July 31, 2031	952	0
3.75%, State Revolving Trust Note, due November 30, 2030	1,352	0
5.20%, Series S, due October 1, 2022	12,000	12,000
5.25%, Series T, due October 1, 2023	6,500	6,500
5.25%, Series V, due February 1, 2029	10,000	10,000
5.35%, Series W, due February 1, 2038	23,000	23,000
0.00%, Series X, due September 1, 2018	422	430
4.25% to 4.63%, Series Y, due September 1, 2018	590	590
0.00%, Series Z, due September 1, 2019	987	1,007
5.25% to 5.75%, Series AA, due September 1, 2019	1,440	1,440
0.00%, Series BB, due September 1, 2021	1,303	1,328
4.00% to 5.00%, Series CC, due September 1, 2021	1,680	1,680
5.10%, Series DD, due January 1, 2032	6,000	6,000
0.00%, Series EE, due August 1, 2023	5,126	5,224
3.00% to 5.50%, Series FF, due August 1, 2024	6,555	6,555
0.00%, Series GG, due August 1, 2026	1,418	1,440
4.00% to 5.00%, Series HH, due August 1, 2026	1,715	1,715
0.00%, Series II, due August 1, 2024	1,215	1,239
3.40% to 5.00%, Series JJ, due August 1, 2027	1,625	1,625
0.00%, Series KK, due August 1, 2028	1,590	1,616
5.00% to 5.50%, Series LL, due August 1, 2028	1,695	1,695
0.00%, Series MM, due August 1, 2030	1,968	1,968
3.00% to 4.375%, Series NN, due August 1, 2030	1,985	1,985
SUBTOTAL LONG-TERM DEBT	139,157	138,276
Current Portion of Long-term Debt	4,448	4,432
Long-term Debt	$ 134,709	$ 133,844