Supplemental Guarantor Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Oct. 15, 2014	Sep. 30, 2013	Dec. 31, 2013
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	$ 327.5	$ 310.8	$ 969.9		$ 948.5
Operating costs and expenses	311.5	253.1	861.4		824.8
Operating income (loss)	16.0	57.7	108.5		123.7
Interest expense (income), net	35.8	46.7	116.8		140.0
Other (income) expense, net	(0.2)	(1.2)	0.5		(1.4)
Income (loss) before equity in earnings of subsidiaries and income taxes	(39.0)	10.7	162.7		(23.0)
Income tax expense (benefit)	(11.7)	1.4	68.8		3.6
Net (loss) income	(27.3)	9.3	93.9		(26.6)
Total comprehensive (loss) income	(26.1)	34.1	97.5		9.8
Preferred stock dividends	2.6	2.6	7.8		7.8
Net (loss) income applicable to common shareowners	(29.9)	6.7	86.1		(34.4)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	181.5	413.7	181.5		413.7
Other current assets	4.8		4.8			1.6
Total current assets	474.2		474.2			251.1
Property, plant and equipment, net	875.2		875.2			902.8
Investment in CyrusOne	284.7		284.7			471.0
Other noncurrent assets	33.8		33.8			36.6
Total assets	1,952.6		1,952.6			2,107.3
Current portion of long-term debt	11.9		11.9			12.6
Accounts payable	132.7		132.7			89.4
Other current liabilities	160.2		160.2			36.8
Total current liabilities	424.1		424.1			254.3
Long-term debt, less current portion	1,887.0		1,887.0			2,252.6
Other noncurrent liabilities	51.6		51.6			74.4
Total liabilities	2,537.0		2,537.0			2,784.0
Shareowners' (deficit) equity	(584.4)		(584.4)			(676.7)
Total liabilities and shareowners' equity (deficit)	1,952.6		1,952.6			2,107.3
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			120.8		59.8
Capital expenditures	(45.6)	(46.1)	(121.1)		(142.0)
Proceeds from Sale of CyrusOne			355.9		0
Dividends received from CyrusOne	6.0		22.4	28.4	14.2
Proceeds from sale of assets			2.0		1.8
Cash divested from deconsolidation of CyrusOne			0		(12.2)
Other investing activities			(5.7)		0
Cash flows used in investing activities			447.9		(137.8)
Proceeds from issuance of long-term debt			0		536.0
Debt issuance costs			0		(6.4)
Borrowings on revolving facilities, net			(33.8)		(52.0)
Repayment of debt			(350.6)		(6.7)
Proceeds from exercise of options and warrants			1.2		6.8
Other financing activities			0.9		2.3
Cash flows provided by (used in) financing activities			(391.8)		468.1
(Decrease) increase in cash and cash equivalents			176.9		390.1
Cash and cash equivalents at beginning of period			4.6	4.6	23.6
Cash and cash equivalents at end of period	181.5	413.7	181.5		413.7
Notes guaranteed by parent [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	327.5	310.8	969.9		948.5
Operating costs and expenses	311.5	253.1	861.4		824.8
Operating income (loss)	16.0	57.7	108.5		123.7
Interest expense (income), net	35.8	46.7	116.8		140.0
Other (income) expense, net	19.2	0.3	(171.0)		6.7
Income (loss) before equity in earnings of subsidiaries and income taxes	(39.0)	10.7	162.7		(23.0)
Income tax expense (benefit)	(11.7)	1.4	68.8		3.6
Equity in earnings of subsidiaries, net of tax	0	0	0		0
Net (loss) income	(27.3)	9.3	93.9		(26.6)
Other comprehensive income (loss)	1.2	24.8	3.6		36.4
Total comprehensive (loss) income	(26.1)	34.1	97.5		9.8
Preferred stock dividends	2.6	2.6	7.8		7.8
Net (loss) income applicable to common shareowners	(29.9)	6.7	86.1		(34.4)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	181.5	413.7	181.5		413.7
Receivables, net	182.1		182.1			154.8
Other current assets	110.6		110.6			91.7
Total current assets	474.2		474.2			251.1
Property, plant and equipment, net	875.2		875.2			902.8
Investment in CyrusOne	284.7		284.7			471.0
Goodwill and intangibles, net	16.0		16.0			106.1
Investments in and advances to subsidiaries	0		0			0
Other noncurrent assets	302.5		302.5			376.3
Total assets	1,952.6		1,952.6			2,107.3
Current portion of long-term debt	11.9		11.9			12.6
Accounts payable	134.0		134.0			89.9
Other current liabilities	278.2		278.2			151.8
Total current liabilities	424.1		424.1			254.3
Long-term debt, less current portion	1,887.0		1,887.0			2,252.6
Other noncurrent liabilities	225.9		225.9			277.1
Intercompany payables	0		0			0
Total liabilities	2,537.0		2,537.0			2,784.0
Shareowners' (deficit) equity	(584.4)		(584.4)			(676.7)
Total liabilities and shareowners' equity (deficit)	1,952.6		1,952.6			2,107.3
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			120.8		59.8
Capital expenditures			(121.1)		(142.0)
Proceeds from Sale of CyrusOne			355.9
Dividends received from CyrusOne			22.4		14.2
Proceeds from sale of assets			196.4		1.8
Cash divested from deconsolidation of CyrusOne					(12.2)
Other investing activities			(5.7)		0.4
Cash flows used in investing activities			447.9		(137.8)
Proceeds from issuance of long-term debt					536.0
Funding between Parent and subsidiaries, net			0		0
Debt issuance costs					(6.4)
Borrowings on revolving facilities, net			(33.8)		(52.0)
Repayment of debt			(350.6)		(6.7)
Proceeds from exercise of options and warrants			1.2		6.8
Other financing activities			(8.6)		(9.6)
Cash flows provided by (used in) financing activities			(391.8)		468.1
(Decrease) increase in cash and cash equivalents			176.9		390.1
Cash and cash equivalents at beginning of period			4.6	4.6	23.6
Cash and cash equivalents at end of period	181.5	413.7	181.5		413.7
Notes guaranteed by parent [Member] | Parent Company [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	0	0	0		0
Operating costs and expenses	2.9	1.5	13.8		51.2
Operating income (loss)	(2.9)	(1.5)	(13.8)		(51.2)
Interest expense (income), net	34.8	42.9	109.8		125.0
Other (income) expense, net	18.9	(0.4)	18.2		(1.1)
Income (loss) before equity in earnings of subsidiaries and income taxes	(56.6)	(44.0)	(141.8)		(175.1)
Income tax expense (benefit)	(18.1)	(18.5)	(40.6)		(59.8)
Equity in earnings of subsidiaries, net of tax	11.2	34.8	195.1		88.7
Net (loss) income	(27.3)	9.3	93.9		(26.6)
Other comprehensive income (loss)	1.2	24.8	3.6		36.5
Total comprehensive (loss) income	(26.1)	34.1	97.5		9.9
Preferred stock dividends	2.6	2.6	7.8		7.8
Net (loss) income applicable to common shareowners	(29.9)	6.7	86.1		(34.4)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	179.1	411.1	179.1		411.1
Receivables, net	2.0		2.0			2.6
Other current assets	3.4		3.4			4.4
Total current assets	184.5		184.5			9.1
Property, plant and equipment, net	0.1		0.1			0.1
Investment in CyrusOne	0		0			0
Goodwill and intangibles, net	0		0			0
Investments in and advances to subsidiaries	1,081.7		1,081.7			1,406.6
Other noncurrent assets	271.3		271.3			359.1
Total assets	1,537.6		1,537.6			1,774.9
Current portion of long-term debt	5.4		5.4			5.4
Accounts payable	1.1		1.1			1.5
Other current liabilities	66.8		66.8			67.7
Total current liabilities	73.3		73.3			74.6
Long-term debt, less current portion	1,550.0		1,550.0			1,916.1
Other noncurrent liabilities	186.4		186.4			214.5
Intercompany payables	312.3		312.3			246.4
Total liabilities	2,122.0		2,122.0			2,451.6
Shareowners' (deficit) equity	(584.4)		(584.4)			(676.7)
Total liabilities and shareowners' equity (deficit)	1,537.6		1,537.6			1,774.9
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			(17.9)		(165.0)
Capital expenditures			0		0
Proceeds from Sale of CyrusOne			0
Dividends received from CyrusOne			0		0
Proceeds from sale of assets			0		0
Cash divested from deconsolidation of CyrusOne					0
Other investing activities			(0.2)		0
Cash flows used in investing activities			(0.2)		0
Proceeds from issuance of long-term debt					536.0
Funding between Parent and subsidiaries, net			586.1		45.5
Debt issuance costs					(6.4)
Borrowings on revolving facilities, net			(40.0)		0
Repayment of debt			(343.3)		0
Proceeds from exercise of options and warrants			1.2		6.8
Other financing activities			(8.9)		(9.6)
Cash flows provided by (used in) financing activities			195.1		572.3
(Decrease) increase in cash and cash equivalents			177.0		407.3
Cash and cash equivalents at beginning of period			2.1	2.1	3.8
Cash and cash equivalents at end of period	179.1	411.1	179.1		411.1
Notes guaranteed by parent [Member] | Cincinnati Bell Telephone Company [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	163.8	161.4	491.4		482.3
Operating costs and expenses	121.2	115.3	349.8		340.0
Operating income (loss)	42.6	46.1	141.6		142.3
Interest expense (income), net	(1.3)	(0.3)	(3.1)		(1.4)
Other (income) expense, net	1.6	1.8	5.5		4.4
Income (loss) before equity in earnings of subsidiaries and income taxes	42.3	44.6	139.2		139.3
Income tax expense (benefit)	15.4	16.4	50.8		51.2
Equity in earnings of subsidiaries, net of tax	0	0	0		0
Net (loss) income	26.9	28.2	88.4		88.1
Other comprehensive income (loss)	0	0	0		0
Total comprehensive (loss) income	26.9	28.2	88.4		88.1
Preferred stock dividends	0	0	0		0
Net (loss) income applicable to common shareowners	26.9	28.2	88.4		88.1
Condensed Consolidating Balance Sheets
Cash and cash equivalents	1.5	2.0	1.5		2.0
Receivables, net	0		0			0
Other current assets	24.8		24.8			24.1
Total current assets	26.3		26.3			25.9
Property, plant and equipment, net	752.1		752.1			706.5
Investment in CyrusOne	0		0			0
Goodwill and intangibles, net	2.2		2.2			2.3
Investments in and advances to subsidiaries	314.1		314.1			247.7
Other noncurrent assets	5.2		5.2			6.1
Total assets	1,099.9		1,099.9			988.5
Current portion of long-term debt	3.3		3.3			3.9
Accounts payable	78.3		78.3			45.9
Other current liabilities	47.0		47.0			49.4
Total current liabilities	128.6		128.6			99.2
Long-term debt, less current portion	139.8		139.8			141.8
Other noncurrent liabilities	167.8		167.8			172.2
Intercompany payables	0		0			0
Total liabilities	436.2		436.2			413.2
Shareowners' (deficit) equity	663.7		663.7			575.3
Total liabilities and shareowners' equity (deficit)	1,099.9		1,099.9			988.5
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			165.2		170.1
Capital expenditures			(96.5)		(108.7)
Proceeds from Sale of CyrusOne			0
Dividends received from CyrusOne			0		0
Proceeds from sale of assets			0.2		1.8
Cash divested from deconsolidation of CyrusOne					0
Other investing activities			0		0
Cash flows used in investing activities			(96.3)		(106.9)
Proceeds from issuance of long-term debt					0
Funding between Parent and subsidiaries, net			(66.5)		(60.5)
Debt issuance costs					0
Borrowings on revolving facilities, net			0		0
Repayment of debt			(3.0)		(2.6)
Proceeds from exercise of options and warrants			0		0
Other financing activities			0.3		0
Cash flows provided by (used in) financing activities			(69.2)		(63.1)
(Decrease) increase in cash and cash equivalents			(0.3)		0.1
Cash and cash equivalents at beginning of period			1.8	1.8	1.9
Cash and cash equivalents at end of period	1.5	2.0	1.5		2.0
Notes guaranteed by parent [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	176.9	163.5	520.5		508.4
Operating costs and expenses	200.6	150.4	539.8		475.8
Operating income (loss)	(23.7)	13.1	(19.3)		32.6
Interest expense (income), net	2.3	4.1	10.1		16.4
Other (income) expense, net	(1.3)	(1.1)	(194.7)		3.4
Income (loss) before equity in earnings of subsidiaries and income taxes	(24.7)	10.1	165.3		12.8
Income tax expense (benefit)	(9.0)	3.5	58.6		12.2
Equity in earnings of subsidiaries, net of tax	0	0	0		0
Net (loss) income	(15.7)	6.6	106.7		0.6
Other comprehensive income (loss)	0	0	0		(0.1)
Total comprehensive (loss) income	(15.7)	6.6	106.7		0.5
Preferred stock dividends	0	0	0		0
Net (loss) income applicable to common shareowners	(15.7)	6.6	106.7		0.6
Condensed Consolidating Balance Sheets
Cash and cash equivalents	0.9	0.6	0.9		0.6
Receivables, net	180.1		180.1			152.2
Other current assets	83.1		83.1			63.9
Total current assets	264.1		264.1			216.8
Property, plant and equipment, net	123.0		123.0			196.2
Investment in CyrusOne	284.7		284.7			471.0
Goodwill and intangibles, net	13.8		13.8			103.8
Investments in and advances to subsidiaries	311.2		311.2			0
Other noncurrent assets	182.1		182.1			178.9
Total assets	1,178.9		1,178.9			1,166.7
Current portion of long-term debt	3.2		3.2			3.3
Accounts payable	54.6		54.6			42.5
Other current liabilities	164.3		164.3			34.6
Total current liabilities	222.1		222.1			80.4
Long-term debt, less current portion	197.2		197.2			194.7
Other noncurrent liabilities	28.6		28.6			59.0
Intercompany payables	0		0			199.7
Total liabilities	447.9		447.9			533.8
Shareowners' (deficit) equity	731.0		731.0			632.9
Total liabilities and shareowners' equity (deficit)	1,178.9		1,178.9			1,166.7
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			(26.5)		54.7
Capital expenditures			(24.6)		(33.3)
Proceeds from Sale of CyrusOne			355.9
Dividends received from CyrusOne			22.4		14.2
Proceeds from sale of assets			196.2		0
Cash divested from deconsolidation of CyrusOne					(12.2)
Other investing activities			(5.5)		0.4
Cash flows used in investing activities			544.4		(30.9)
Proceeds from issuance of long-term debt					0
Funding between Parent and subsidiaries, net			(519.6)		15.0
Debt issuance costs					0
Borrowings on revolving facilities, net			6.2		(52.0)
Repayment of debt			(4.3)		(4.1)
Proceeds from exercise of options and warrants			0		0
Other financing activities			0		0
Cash flows provided by (used in) financing activities			(517.7)		(41.1)
(Decrease) increase in cash and cash equivalents			0.2		(17.3)
Cash and cash equivalents at beginning of period			0.7	0.7	17.9
Cash and cash equivalents at end of period	0.9	0.6	0.9		0.6
Notes guaranteed by parent [Member] | Consolidation, Eliminations [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	(13.2)	(14.1)	(42.0)		(42.2)
Operating costs and expenses	(13.2)	(14.1)	(42.0)		(42.2)
Operating income (loss)	0	0	0		0
Interest expense (income), net	0	0	0		0
Other (income) expense, net	0	0	0		0
Income (loss) before equity in earnings of subsidiaries and income taxes	0	0	0		0
Income tax expense (benefit)	0	0	0		0
Equity in earnings of subsidiaries, net of tax	(11.2)	(34.8)	(195.1)		(88.7)
Net (loss) income	(11.2)	(34.8)	(195.1)		(88.7)
Other comprehensive income (loss)	0	0	0		0
Total comprehensive (loss) income	(11.2)	(34.8)	(195.1)		(88.7)
Preferred stock dividends	0	0	0		0
Net (loss) income applicable to common shareowners	(11.2)	(34.8)	(195.1)		(88.7)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	0	0	0		0
Receivables, net	0		0			0
Other current assets	(0.7)		(0.7)			(0.7)
Total current assets	(0.7)		(0.7)			(0.7)
Property, plant and equipment, net	0		0			0
Investment in CyrusOne	0		0			0
Goodwill and intangibles, net	0		0			0
Investments in and advances to subsidiaries	(1,707.0)		(1,707.0)			(1,654.3)
Other noncurrent assets	(156.1)		(156.1)			(167.8)
Total assets	(1,863.8)		(1,863.8)			(1,822.8)
Current portion of long-term debt	0		0			0
Accounts payable	0		0			0
Other current liabilities	0.1		0.1			0.1
Total current liabilities	0.1		0.1			0.1
Long-term debt, less current portion	0		0			0
Other noncurrent liabilities	(156.9)		(156.9)			(168.6)
Intercompany payables	(312.3)		(312.3)			(446.1)
Total liabilities	(469.1)		(469.1)			(614.6)
Shareowners' (deficit) equity	(1,394.7)		(1,394.7)			(1,208.2)
Total liabilities and shareowners' equity (deficit)	(1,863.8)		(1,863.8)			(1,822.8)
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			0		0
Capital expenditures			0		0
Proceeds from Sale of CyrusOne			0
Dividends received from CyrusOne			0		0
Proceeds from sale of assets			0		0
Cash divested from deconsolidation of CyrusOne					0
Other investing activities			0		0
Cash flows used in investing activities			0		0
Proceeds from issuance of long-term debt					0
Funding between Parent and subsidiaries, net			0		0
Debt issuance costs					0
Borrowings on revolving facilities, net			0		0
Repayment of debt			0		0
Proceeds from exercise of options and warrants			0		0
Other financing activities			0		0
Cash flows provided by (used in) financing activities			0		0
(Decrease) increase in cash and cash equivalents			0		0
Cash and cash equivalents at beginning of period			0	0	0
Cash and cash equivalents at end of period	0	0	0		0
Notes guaranteed by subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	327.5	310.8	969.9		948.5
Operating costs and expenses	311.5	253.1	861.4		824.8
Operating income (loss)	16.0	57.7	108.5		123.7
Interest expense (income), net	35.8	46.7	116.8		140.0
Other (income) expense, net	19.2	0.3	(171.0)		6.7
Income (loss) before equity in earnings of subsidiaries and income taxes	(39.0)	10.7	162.7		(23.0)
Income tax expense (benefit)	(11.7)	1.4	68.8		3.6
Equity in earnings of subsidiaries, net of tax	0	0	0		0
Net (loss) income	(27.3)	9.3	93.9		(26.6)
Other comprehensive income (loss)	1.2	24.8	3.6		36.4
Total comprehensive (loss) income	(26.1)	34.1	97.5		9.8
Preferred stock dividends	2.6	2.6	7.8		7.8
Net (loss) income applicable to common shareowners	(29.9)	6.7	86.1		(34.4)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	181.5	413.7	181.5		413.7
Receivables, net	182.1		182.1			154.8
Other current assets	110.6		110.6			91.7
Total current assets	474.2		474.2			251.1
Property, plant and equipment, net	875.2		875.2			902.8
Investment in CyrusOne	284.7		284.7			471.0
Goodwill and intangibles, net	16.0		16.0			106.1
Investments in and advances to subsidiaries	0		0			0
Other noncurrent assets	302.5		302.5			376.3
Total assets	1,952.6		1,952.6			2,107.3
Current portion of long-term debt	11.9		11.9			12.6
Accounts payable	134.0		134.0			89.9
Other current liabilities	278.2		278.2			151.8
Total current liabilities	424.1		424.1			254.3
Long-term debt, less current portion	1,887.0		1,887.0			2,252.6
Other noncurrent liabilities	225.9		225.9			277.1
Intercompany payables	0		0			0
Total liabilities	2,537.0		2,537.0			2,784.0
Shareowners' (deficit) equity	(584.4)		(584.4)			(676.7)
Total liabilities and shareowners' equity (deficit)	1,952.6		1,952.6			2,107.3
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			120.8		59.8
Capital expenditures			(121.1)		(142.0)
Proceeds from Sale of CyrusOne			355.9
Dividends received from CyrusOne			22.4		14.2
Proceeds from sale of assets			196.4		1.8
Cash divested from deconsolidation of CyrusOne					(12.2)
Other investing activities			(5.7)		0.4
Cash flows used in investing activities			447.9		(137.8)
Proceeds from issuance of long-term debt					536.0
Funding between Parent and subsidiaries, net			0		0
Debt issuance costs					(6.4)
Borrowings on revolving facilities, net			(33.8)		(52.0)
Repayment of debt			(350.6)		(6.7)
Proceeds from exercise of options and warrants			1.2		6.8
Other financing activities			(8.6)		(9.6)
Cash flows provided by (used in) financing activities			(391.8)		468.1
(Decrease) increase in cash and cash equivalents			176.9		390.1
Cash and cash equivalents at beginning of period			4.6	4.6	23.6
Cash and cash equivalents at end of period	181.5	413.7	181.5		413.7
Notes guaranteed by subsidiaries [Member] | Parent Company [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	0	0	0		0
Operating costs and expenses	2.9	1.5	13.8		51.2
Operating income (loss)	(2.9)	(1.5)	(13.8)		(51.2)
Interest expense (income), net	34.8	42.9	109.8		125.0
Other (income) expense, net	18.9	(0.4)	18.2		(1.1)
Income (loss) before equity in earnings of subsidiaries and income taxes	(56.6)	(44.0)	(141.8)		(175.1)
Income tax expense (benefit)	(18.1)	(18.5)	(40.6)		(59.8)
Equity in earnings of subsidiaries, net of tax	11.2	34.8	195.1		88.7
Net (loss) income	(27.3)	9.3	93.9		(26.6)
Other comprehensive income (loss)	1.2	24.8	3.6		36.5
Total comprehensive (loss) income	(26.1)	34.1	97.5		9.9
Preferred stock dividends	2.6	2.6	7.8		7.8
Net (loss) income applicable to common shareowners	(29.9)	6.7	86.1		(34.4)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	179.1	411.1	179.1		411.1
Receivables, net	2.0		2.0			2.6
Other current assets	3.4		3.4			4.4
Total current assets	184.5		184.5			9.1
Property, plant and equipment, net	0.1		0.1			0.1
Investment in CyrusOne	0		0			0
Goodwill and intangibles, net	0		0			0
Investments in and advances to subsidiaries	1,081.7		1,081.7			1,406.6
Other noncurrent assets	271.3		271.3			359.1
Total assets	1,537.6		1,537.6			1,774.9
Current portion of long-term debt	5.4		5.4			5.4
Accounts payable	1.1		1.1			1.5
Other current liabilities	66.8		66.8			67.7
Total current liabilities	73.3		73.3			74.6
Long-term debt, less current portion	1,550.0		1,550.0			1,916.1
Other noncurrent liabilities	186.4		186.4			214.5
Intercompany payables	312.3		312.3			246.4
Total liabilities	2,122.0		2,122.0			2,451.6
Shareowners' (deficit) equity	(584.4)		(584.4)			(676.7)
Total liabilities and shareowners' equity (deficit)	1,537.6		1,537.6			1,774.9
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			(17.9)		(165.0)
Capital expenditures			0		0
Proceeds from Sale of CyrusOne			0
Dividends received from CyrusOne			0		0
Proceeds from sale of assets			0		0
Cash divested from deconsolidation of CyrusOne					0
Other investing activities			(0.2)		0
Cash flows used in investing activities			(0.2)		0
Proceeds from issuance of long-term debt					536.0
Funding between Parent and subsidiaries, net			586.1		45.5
Debt issuance costs					(6.4)
Borrowings on revolving facilities, net			(40.0)		0
Repayment of debt			(343.3)		0
Proceeds from exercise of options and warrants			1.2		6.8
Other financing activities			(8.9)		(9.6)
Cash flows provided by (used in) financing activities			195.1		572.3
(Decrease) increase in cash and cash equivalents			177.0		407.3
Cash and cash equivalents at beginning of period			2.1	2.1	3.8
Cash and cash equivalents at end of period	179.1	411.1	179.1		411.1
Notes guaranteed by subsidiaries [Member] | Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	190.2	177.4	560.5		530.7
Operating costs and expenses	212.4	162.5	575.6		496.1
Operating income (loss)	(22.2)	14.9	(15.1)		34.6
Interest expense (income), net	1.9	3.5	8.9		11.2
Other (income) expense, net	3.4	3.2	(179.6)		12.1
Income (loss) before equity in earnings of subsidiaries and income taxes	(27.5)	8.2	155.6		11.3
Income tax expense (benefit)	(10.0)	3.1	55.1		11.9
Equity in earnings of subsidiaries, net of tax	0	0	0		0.7
Net (loss) income	(17.5)	5.1	100.5		0.1
Other comprehensive income (loss)	0	0	0		0
Total comprehensive (loss) income	(17.5)	5.1	100.5		0.1
Preferred stock dividends	0	0	0		0
Net (loss) income applicable to common shareowners	(17.5)	5.1	100.5		0.1
Condensed Consolidating Balance Sheets
Cash and cash equivalents	0.4	0.5	0.4		0.5
Receivables, net	6.0		6.0			7.2
Other current assets	79.3		79.3			60.7
Total current assets	85.7		85.7			68.2
Property, plant and equipment, net	122.6		122.6			194.1
Investment in CyrusOne	284.7		284.7			471.0
Goodwill and intangibles, net	13.8		13.8			103.8
Investments in and advances to subsidiaries	370.3		370.3			(1.6)
Other noncurrent assets	183.1		183.1			179.9
Total assets	1,060.2		1,060.2			1,015.4
Current portion of long-term debt	3.2		3.2			3.0
Accounts payable	69.4		69.4			72.3
Other current liabilities	166.4		166.4			36.9
Total current liabilities	239.0		239.0			112.2
Long-term debt, less current portion	84.8		84.8			87.0
Other noncurrent liabilities	31.0		31.0			61.3
Intercompany payables	0		0			149.9
Total liabilities	354.8		354.8			410.4
Shareowners' (deficit) equity	705.4		705.4			605.0
Total liabilities and shareowners' equity (deficit)	1,060.2		1,060.2			1,015.4
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			(18.6)		27.4
Capital expenditures			(24.6)		(25.6)
Proceeds from Sale of CyrusOne			355.9
Dividends received from CyrusOne			22.4		14.2
Proceeds from sale of assets			194.4		0
Cash divested from deconsolidation of CyrusOne					0
Other investing activities			(5.5)		0
Cash flows used in investing activities			542.6		(11.4)
Proceeds from issuance of long-term debt					0
Funding between Parent and subsidiaries, net			(521.8)		(12.6)
Debt issuance costs					0
Borrowings on revolving facilities, net			0		0
Repayment of debt			(2.1)		(3.2)
Proceeds from exercise of options and warrants			0		0
Other financing activities			0		0
Cash flows provided by (used in) financing activities			(523.9)		(15.8)
(Decrease) increase in cash and cash equivalents			0.1		0.2
Cash and cash equivalents at beginning of period			0.3	0.3	0.3
Cash and cash equivalents at end of period	0.4	0.5	0.4		0.5
Notes guaranteed by subsidiaries [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	150.5	147.5	451.4		460.0
Operating costs and expenses	109.4	103.2	314.0		319.7
Operating income (loss)	41.1	44.3	137.4		140.3
Interest expense (income), net	(0.9)	0.3	(1.9)		3.8
Other (income) expense, net	(3.1)	(2.5)	(9.6)		(4.3)
Income (loss) before equity in earnings of subsidiaries and income taxes	45.1	46.5	148.9		140.8
Income tax expense (benefit)	16.4	16.8	54.3		51.5
Equity in earnings of subsidiaries, net of tax	0	0	0		0
Net (loss) income	28.7	29.7	94.6		89.3
Other comprehensive income (loss)	0	0	0		(0.1)
Total comprehensive (loss) income	28.7	29.7	94.6		89.2
Preferred stock dividends	0	0	0		0
Net (loss) income applicable to common shareowners	28.7	29.7	94.6		89.3
Condensed Consolidating Balance Sheets
Cash and cash equivalents	2.0	2.1	2.0		2.1
Receivables, net	174.1		174.1			145.0
Other current assets	28.6		28.6			27.3
Total current assets	204.7		204.7			174.5
Property, plant and equipment, net	752.5		752.5			708.6
Investment in CyrusOne	0		0			0
Goodwill and intangibles, net	2.2		2.2			2.3
Investments in and advances to subsidiaries	293.9		293.9			218.2
Other noncurrent assets	4.2		4.2			5.1
Total assets	1,257.5		1,257.5			1,108.7
Current portion of long-term debt	3.3		3.3			4.2
Accounts payable	63.5		63.5			16.1
Other current liabilities	44.9		44.9			47.1
Total current liabilities	111.7		111.7			67.4
Long-term debt, less current portion	252.2		252.2			249.5
Other noncurrent liabilities	165.4		165.4			169.9
Intercompany payables	50.0		50.0			33.2
Total liabilities	579.3		579.3			520.0
Shareowners' (deficit) equity	678.2		678.2			588.7
Total liabilities and shareowners' equity (deficit)	1,257.5		1,257.5			1,108.7
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			157.3		197.4
Capital expenditures			(96.5)		(116.4)
Proceeds from Sale of CyrusOne			0
Dividends received from CyrusOne			0		0
Proceeds from sale of assets			2.0		1.8
Cash divested from deconsolidation of CyrusOne					(12.2)
Other investing activities			0		0.4
Cash flows used in investing activities			(94.5)		(126.4)
Proceeds from issuance of long-term debt					0
Funding between Parent and subsidiaries, net			(64.3)		(32.9)
Debt issuance costs					0
Borrowings on revolving facilities, net			6.2		(52.0)
Repayment of debt			(5.2)		(3.5)
Proceeds from exercise of options and warrants			0		0
Other financing activities			0.3		0
Cash flows provided by (used in) financing activities			(63.0)		(88.4)
(Decrease) increase in cash and cash equivalents			(0.2)		(17.4)
Cash and cash equivalents at beginning of period			2.2	2.2	19.5
Cash and cash equivalents at end of period	2.0	2.1	2.0		2.1
Notes guaranteed by subsidiaries [Member] | Consolidation, Eliminations [Member]
Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income
Revenue	(13.2)	(14.1)	(42.0)		(42.2)
Operating costs and expenses	(13.2)	(14.1)	(42.0)		(42.2)
Operating income (loss)	0	0	0		0
Interest expense (income), net	0	0	0		0
Other (income) expense, net	0	0	0		0
Income (loss) before equity in earnings of subsidiaries and income taxes	0	0	0		0
Income tax expense (benefit)	0	0	0		0
Equity in earnings of subsidiaries, net of tax	(11.2)	(34.8)	(195.1)		(89.4)
Net (loss) income	(11.2)	(34.8)	(195.1)		(89.4)
Other comprehensive income (loss)	0	0	0		0
Total comprehensive (loss) income	(11.2)	(34.8)	(195.1)		(89.4)
Preferred stock dividends	0	0	0		0
Net (loss) income applicable to common shareowners	(11.2)	(34.8)	(195.1)		(89.4)
Condensed Consolidating Balance Sheets
Cash and cash equivalents	0	0	0		0
Receivables, net	0		0			0
Other current assets	(0.7)		(0.7)			(0.7)
Total current assets	(0.7)		(0.7)			(0.7)
Property, plant and equipment, net	0		0			0
Investment in CyrusOne	0		0			0
Goodwill and intangibles, net	0		0			0
Investments in and advances to subsidiaries	(1,745.9)		(1,745.9)			(1,623.2)
Other noncurrent assets	(156.1)		(156.1)			(167.8)
Total assets	(1,902.7)		(1,902.7)			(1,791.7)
Current portion of long-term debt	0		0			0
Accounts payable	0		0			0
Other current liabilities	0.1		0.1			0.1
Total current liabilities	0.1		0.1			0.1
Long-term debt, less current portion	0		0			0
Other noncurrent liabilities	(156.9)		(156.9)			(168.6)
Intercompany payables	(362.3)		(362.3)			(429.5)
Total liabilities	(519.1)		(519.1)			(598.0)
Shareowners' (deficit) equity	(1,383.6)		(1,383.6)			(1,193.7)
Total liabilities and shareowners' equity (deficit)	(1,902.7)		(1,902.7)			(1,791.7)
Condensed Consolidating Statements of Cash Flows
Cash flows (used in) provided by operating activities			0		0
Capital expenditures			0		0
Proceeds from Sale of CyrusOne			0
Dividends received from CyrusOne			0		0
Proceeds from sale of assets			0		0
Cash divested from deconsolidation of CyrusOne					0
Other investing activities			0		0
Cash flows used in investing activities			0		0
Proceeds from issuance of long-term debt					0
Funding between Parent and subsidiaries, net			0		0
Debt issuance costs					0
Borrowings on revolving facilities, net			0		0
Repayment of debt			0		0
Proceeds from exercise of options and warrants			0		0
Other financing activities			0		0
Cash flows provided by (used in) financing activities			0		0
(Decrease) increase in cash and cash equivalents			0		0
Cash and cash equivalents at beginning of period			0	0	0
Cash and cash equivalents at end of period	$ 0	$ 0	$ 0		$ 0