UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities
Net income	$ 22,910	$ 11,387
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	41,749	42,692
Amortization	3,285	5,168
Provision for bad debt	1,504	2,135
Stock based compensation expense	1,540	1,425
Excess tax benefits on stock awards	(69)	(106)
Deferred income taxes	4,950	(4,473)
Net loss on disposal of equipment	234	64
Realized (gain) loss on disposal of investments	1	(35)
Unrealized (gains) on investments	(233)	(250)
Net (gain) loss from patronage and equity investments	(627)	(764)
Write-off unamortized loan fees	0	780
Other	1,976	1,215
(Increase) decrease in:
Accounts receivable	(510)	(5,298)
Materials and supplies	982	220
Income taxes receivable	(5,609)	12,495
Increase (decrease) in:
Accounts payable	885	(1,671)
Deferred lease payable	981	446
Income taxes payable	0	12,984
Other prepaids, deferrals and accruals	(431)	(959)
Net cash provided by operating activities	73,518	77,455
Cash Flows from Investing Activities
Purchase and construction of property, plant and equipment	(80,784)	(53,611)
Proceeds from sales of assets	271	161
Cash received from sales of Converged Services' properties	25	3,265
Purchase of investment securities	(13)	0
Proceeds from sale of investment securities	110	1,203
Net cash used in investing activities	(80,391)	(48,982)
Cash Flows from Financing Activities
Principal payments on long-term debt	(1,977)	(177,655)
Amount borrowed under debt agreements	0	230,000
Cash paid for debt issuance costs	0	(2,418)
Excess tax benefits on stock awards	69	106
Repurchases of stock	(1,297)	(144)
Proceeds from stock issuances	947	411
Net cash (used in) / provided by financing activities	(2,258)	50,300
Net (decrease) increase in cash and cash equivalents	(9,131)	78,773
Cash and cash equivalents:
Beginning	71,086	15,874
Ending	61,955	94,647
Cash paid (received) for:
Interest	6,476	4,738
Income taxes	$ 16,330	$ (11,491)