STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Activities:
Net Income	$ 33.0	$ 57.4	$ 49.4
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation, amortization, and accretion	34.4	43.9	42.3
Deferred income taxes	4.0	15.0	11.3
Gain on sale of assets	(0.7)	(10.9)	0
Other	2.0	14.1	10.8
Changes in assets and liabilities:
Accounts receivable - net	26.4	(23.2)	(13.5)
Inventories	(11.8)	0	10.5
Accounts payable	(13.6)	(2.5)	(5.9)
Advance customer billings	37.1	40.5	(57.8)
Income tax receivable	3.5	(0.9)	7.0
Pension and other postretirement benefit contributions	(1.6)	(6.1)	(2.7)
Other assets and liabilities	2.3	2.7	(8.7)
Net cash provided by operating activities	115.0	130.0	42.7
Investing Activities:
Capital expenditures	(46.2)	(86.0)	(69.9)
Proceeds from sale of assets	0.8	13.8	0
Other, net	0	0	(3.2)
Net cash used in investing activities	(45.4)	(72.2)	(73.1)
Financing Activities:
Reduction of long-term debt	(0.1)	(0.1)	(0.2)
(Repayment) issuance of notes payable - net	(34.0)	(27.0)	62.0
Debt issuance costs	(0.6)	0	0
Dividends paid	(37.4)	(33.3)	(33.6)
Repayment of advances from affiliates	5.1	0	0
Net cash (used in) provided by financing activities	(67.0)	(60.4)	28.2
Net Increase (Decrease) in Cash and Cash Equivalents	2.6	(2.6)	(2.2)
Cash and Cash Equivalents at Beginning of Year	3.0	5.6	7.8
Cash and Cash Equivalents at End of Year	$ 5.6	$ 3.0	$ 5.6