CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
OPERATING ACTIVITIES:
Net income	$ 8,401	$ 12,592	$ 12,102
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	23,056	22,022	21,177
Deferred income tax provision	4,598	5,567	2,517
Employee retirement benefits and deferred compensation	1,289	1,248	744
Provision for losses on accounts receivable	299	1,010	128
Stock-based compensation	1,119	951	1,021
(Gain) on sale of assets, retirements and disposals	(162)	(977)	(5)
(Gain) loss on financial derivative instruments	1,390	(830)	(1,378)
Accrued patronage refunds	(529)	(525)	(512)
Receivables	(976)	(5,922)	6,779
Prepaid Expenses	(200)	(275)	(125)
Inventories	(4,092)	(453)	3,922
Accounts payable and accrued expenses	4,276	(126)	(1,696)
Deferred revenue, billings and deposits	911	(1,640)	195
Income taxes	2,911	(7,110)	(3,091)
Other	(584)	656	476
Net cash provided by operating activities	41,707	26,188	42,254
INVESTING ACTIVITIES:
Additions to property, plant and equipment	(28,385)	(22,888)	(17,893)
Broadband stimulus grants received	6,945	0	0
Proceeds from sale of assets	120	1,261	0
Acquisition, net of cash acquired	0	120	(6,625)
Other	0	(20)	0
Net cash (used in) investing activities	(21,320)	(21,527)	(24,518)
FINANCING ACTIVITIES:
Borrowings on extended term payable arrangement	57,587	54,507	40,446
Payments on extended term payable arrangement	(58,921)	(53,041)	(44,133)
Borrowings on credit facility	147,700	24,400	0
Payments on credit facility and capital lease obligations	(146,496)	(26,593)	(6,930)
Proceeds from issuance of common stock	571	421	460
Change in cash overdraft	(238)	238	0
Stock repurchase	(325)	0	0
Dividends paid	(7,281)	(6,940)	(6,785)
Net cash (used in) financing activities	(7,403)	(7,008)	(16,942)
Net increase (decrease) in cash and cash equivalents	12,984	(2,347)	794
Cash and cash equivalents at beginning of the year	73	2,420	1,626
Cash and cash equivalents at the end of the year	13,057	73	2,420
Supplemental disclosure of cash flow information:
Cash paid for interest	4,611	5,224	7,094
Net cash paid (received) for income taxes	(2,467)	5,908	1,622
Non-cash investing activities:
Property, plant and equipment acquired with capital leases	73	660	417
Change in other comprehensive (loss) from post-retirement benefits	$ (592)	$ (267)	$ (2,002)