Supplemental Guarantor Information HY (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Apr. 01, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue	$ 289.3	$ 299.8	$ 285.8	$ 292.9	$ 294.9	$ 301.4	$ 283.0	$ 282.2	$ 1,167.8	$ 1,161.5	$ 1,073.4
Operating costs and expenses									1,039.8	984.6	933.6
Operating income (loss)	25.0	36.2	29.7	37.1	31.4	47.8	47.3	50.4	128.0	176.9	139.8
Other expense (income), net									(2.5)	(1.9)	(3.3)
Income (loss) before equity in earnings of subsidiaries and income taxes									450.6	199.1	(73.2)
Income tax expense (benefit)									159.8	81.4	(8.3)
Income (Loss) from Continuing Operations Attributable to Parent	30.5	79.3	180.7	0.3	(4.4)	(7.5)	123.7	5.9	290.8	117.7	(64.9)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	2.1	1.0	10.9	48.9	(13.9)	(19.8)	(9.5)	1.1	62.9	(42.1)	10.2
Net income (loss)	32.6	80.3	191.6	49.2	(18.3)	(27.3)	114.2	7.0	353.7	75.6	(54.7)
Other comprehensive income (loss)									2.9	(40.6)	76.4
Total comprehensive income (loss)									356.6	35.0	21.7
Preferred stock dividends									10.4	10.4	10.4
Net income (loss) applicable to common shareowners									343.3	65.2	(65.1)
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents	7.4			57.9	57.9			4.6	57.9	4.6	23.6	$ 7.4		$ 57.9	$ 4.6	$ 23.6
Other current assets												2.2		1.8
Disposal Group, Including Discontinued Operation, Other Assets, Current												0.0		4.7
Total current assets												200.4		268.7
Property, plant and equipment, net												975.5		815.4
Investment in CyrusOne												55.5		273.6
Other noncurrent assets												25.6		33.9
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent												0.0		44.6
Total assets												1,454.4		1,820.7
Current portion of long-term debt												13.8		11.6
Accounts payable												127.4		131.6
Other current liabilities												25.0		25.8
Disposal Group, Including Discontinued Operation, Other Liabilities, Current												5.4		142.0
Liabilities, Current												259.2		410.8
Long-term debt, less current portion												1,231.8		1,689.4
Other Liabilities, Noncurrent												36.6		26.2
Total liabilities												1,752.6		2,469.2
Stockholders' Equity Attributable to Parent												(298.2)		(648.5)	(676.7)	(698.2)
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash flows (used in) provided by operating activities									110.9	175.2	78.8
Capital expenditures									(283.6)	(182.3)	(196.9)
Proceeds from sale of CyrusOne investment	47.6	$ 170.3	426.0				$ 355.9		643.9	355.9	0.0
Dividends received from CyrusOne									22.2	28.4	21.3
Proceeds from sale of assets									1.0	2.0	2.0
Cash Divested from Deconsolidation									0.0	0.0	(12.2)
Other investing activities									(0.3)	(5.8)	0.0
Cash flows provided by (used in) investing activities									383.2	392.6	(185.4)
Proceeds from issuance of long-term debt									0.0	0.0	536.0
Debt issuance costs									(0.4)	(0.9)	(6.7)
Net increase in corporate credit and receivables facilities with initial maturities less than 90 days									(1.6)	(127.0)	94.2
Repayment of debt									(531.7)	(376.5)	(530.8)
Proceeds from exercise of options and warrants									0.0	1.3	7.1
Other financing activities									(0.6)	(1.1)	(2.3)
Cash flows provided by (used in) financing activities									(544.6)	(514.5)	87.6
(Decrease) increase in cash and cash equivalents									(50.5)	53.3	(19.0)
Cash and cash equivalents at beginning of year				57.9				4.6	57.9	4.6	23.6
Cash and cash equivalents at end of year	7.4				57.9				7.4	57.9	4.6
Total liabilities and shareowners' equity (deficit)												1,454.4		1,820.7
Notes guaranteed by subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue									1,167.8	1,161.5	1,073.4
Operating costs and expenses									1,039.8	984.6	933.6
Operating income (loss)									128.0	176.9	139.8
Interest Income (Expense), Net									103.1	145.9	176.0
Other expense (income), net									(425.7)	(168.1)	37.0
Income (loss) before equity in earnings of subsidiaries and income taxes									450.6	199.1	(73.2)
Income tax expense (benefit)									159.8	81.4	(8.3)
Equity in earnings of subsidiaries, net of tax									0.0	0.0	0.0
Income (Loss) from Continuing Operations Attributable to Parent									290.8	117.7	(64.9)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent									62.9	(42.1)	10.2
Net income (loss)									353.7	75.6	(54.7)
Other comprehensive income (loss)									2.9	(40.6)	76.4
Total comprehensive income (loss)									356.6	35.0	21.7
Preferred stock dividends									10.4	10.4	10.4
Net income (loss) applicable to common shareowners									343.3	65.2	(65.1)
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents	7.4			57.9	57.9			4.6	57.9	4.6	23.6	7.4		57.9	4.6	23.6
Receivables, net												157.1		168.5
Other current assets												35.9		37.6
Disposal Group, Including Discontinued Operation, Other Assets, Current														4.7
Total current assets												200.4		268.7
Property, plant and equipment, net												975.5		815.4
Investment in CyrusOne												55.5		273.6
Goodwill and intangibles, net												14.5		14.9
Investments in and advances to subsidiaries												0.0		0.0
Other noncurrent assets												208.5		403.5
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent														44.6
Total assets												1,454.4		1,820.7
Current portion of long-term debt												13.8		11.6
Accounts payable												128.9		132.0
Other current liabilities												111.1		125.2
Disposal Group, Including Discontinued Operation, Other Liabilities, Current												5.4		142.0
Liabilities, Current												259.2		410.8
Long-term debt, less current portion												1,231.8		1,689.4
Other Liabilities, Noncurrent												261.6		266.3
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent														102.7
Intercompany payables												0.0		0.0
Total liabilities												1,752.6		2,469.2
Stockholders' Equity Attributable to Parent												(298.2)		(648.5)
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash flows (used in) provided by operating activities									110.9	175.2	78.8
Capital expenditures									(283.6)	(182.3)	(196.9)
Proceeds from sale of CyrusOne investment									643.9	355.9
Dividends received from CyrusOne									22.2	28.4	21.3
Proceeds from sale of assets									1.0	196.4	2.0
Cash Divested from Deconsolidation											(12.2)
Distributions received from subsidiaries									0.0	0.0
Funding between Parent and subsidiaries, net investing									0.0	0.0
Other investing activities									(0.3)	(5.8)	0.4
Cash flows provided by (used in) investing activities									383.2	392.6	(185.4)
Funding between Parent and subsidiaries, net financing									0.0	0.0
Distributions paid to Parent									0.0	0.0
Proceeds from issuance of long-term debt											536.0
Funding between Parent and subsidiaries, net											0.0
Debt issuance costs									(0.4)	(0.9)	(6.7)
Net increase in corporate credit and receivables facilities with initial maturities less than 90 days									(1.6)	(127.0)	94.2
Repayment of debt									(531.7)	(376.5)	(530.8)
Proceeds from exercise of options and warrants										1.3	7.1
Other financing activities									(10.9)	(11.4)	(12.2)
Cash flows provided by (used in) financing activities									(544.6)	(514.5)	87.6
(Decrease) increase in cash and cash equivalents									(50.5)	53.3	(19.0)
Cash and cash equivalents at beginning of year				57.9				4.6	57.9	4.6	23.6
Cash and cash equivalents at end of year	7.4				57.9				7.4	57.9	4.6
Total liabilities and shareowners' equity (deficit)												1,454.4		1,820.7
Notes guaranteed by subsidiaries [Member] | Parent Company [Member]
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue									0.0	0.0	0.0
Operating costs and expenses									22.4	21.5	57.2
Operating income (loss)									(22.4)	(21.5)	(57.2)
Interest Income (Expense), Net									112.7	142.6	162.5
Other expense (income), net									19.5	17.6	28.2
Income (loss) before equity in earnings of subsidiaries and income taxes									(154.6)	(181.7)	(247.9)
Income tax expense (benefit)									(53.3)	(55.8)	(79.8)
Equity in earnings of subsidiaries, net of tax									455.0	201.5	113.4
Income (Loss) from Continuing Operations Attributable to Parent									353.7	75.6	(54.7)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent									0.0	0.0	0.0
Net income (loss)									353.7	75.6	(54.7)
Other comprehensive income (loss)									3.3	(40.5)	76.5
Total comprehensive income (loss)									357.0	35.1	21.8
Preferred stock dividends									10.4	10.4	10.4
Net income (loss) applicable to common shareowners									343.3	65.2	(65.1)
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents	4.6			56.2	56.2			2.1	56.2	2.1	3.8	4.6		56.2	2.1	3.8
Receivables, net												0.7		2.6
Other current assets												1.6		1.3
Disposal Group, Including Discontinued Operation, Other Assets, Current														0.0
Total current assets												6.9		60.1
Property, plant and equipment, net												0.3		0.2
Investment in CyrusOne												0.0		0.0
Goodwill and intangibles, net												0.0		0.0
Investments in and advances to subsidiaries												844.6		1,066.1
Other noncurrent assets												214.4		297.6
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent														0.0
Total assets												1,066.2		1,424.0
Current portion of long-term debt												5.4		5.4
Accounts payable												0.7		1.0
Other current liabilities												41.6		52.3
Disposal Group, Including Discontinued Operation, Other Liabilities, Current												0.0		0.0
Liabilities, Current												47.7		58.7
Long-term debt, less current portion												1,025.8		1,526.1
Other Liabilities, Noncurrent												235.5		254.1
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent														0.0
Intercompany payables												54.7		233.4
Total liabilities												1,363.7		2,072.3
Stockholders' Equity Attributable to Parent												(297.5)		(648.3)
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash flows (used in) provided by operating activities									(19.3)	(56.3)	(218.1)
Capital expenditures									(0.1)	(0.2)	0.0
Proceeds from sale of CyrusOne investment									0.0	0.0
Dividends received from CyrusOne									0.0	0.0	0.0
Proceeds from sale of assets									0.0	0.0	0.0
Cash Divested from Deconsolidation											0.0
Distributions received from subsidiaries									11.3	12.8
Funding between Parent and subsidiaries, net investing									0.0	0.0
Other investing activities									(0.3)	(0.3)	0.0
Cash flows provided by (used in) investing activities									10.9	12.3	0.0
Funding between Parent and subsidiaries, net financing									486.4	516.2
Distributions paid to Parent									0.0	0.0
Proceeds from issuance of long-term debt											536.0
Funding between Parent and subsidiaries, net											174.2
Debt issuance costs									(0.2)	(0.7)	(6.7)
Net increase in corporate credit and receivables facilities with initial maturities less than 90 days									0.0	(40.0)	40.0
Repayment of debt									(518.5)	(367.3)	(522.0)
Proceeds from exercise of options and warrants										1.3	7.1
Other financing activities									(10.9)	(11.4)	(12.2)
Cash flows provided by (used in) financing activities									(43.2)	98.1	216.4
(Decrease) increase in cash and cash equivalents									(51.6)	54.1	(1.7)
Cash and cash equivalents at beginning of year				56.2				2.1	56.2	2.1	3.8
Cash and cash equivalents at end of year	4.6				56.2				4.6	56.2	2.1
Total liabilities and shareowners' equity (deficit)												1,066.2		1,424.0
Notes guaranteed by subsidiaries [Member] | Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue									614.2	599.1	503.1
Operating costs and expenses									577.9	567.5	484.2
Operating income (loss)									36.3	31.6	18.9
Interest Income (Expense), Net									(10.0)	6.4	10.7
Other expense (income), net									(434.3)	(173.4)	15.4
Income (loss) before equity in earnings of subsidiaries and income taxes									480.6	198.6	(7.2)
Income tax expense (benefit)									168.7	70.8	5.3
Equity in earnings of subsidiaries, net of tax									0.0	0.0	0.7
Income (Loss) from Continuing Operations Attributable to Parent									311.9	127.8	(11.8)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent									62.9	(42.1)	10.2
Net income (loss)									374.8	85.7	(1.6)
Other comprehensive income (loss)									0.0	(0.1)	0.0
Total comprehensive income (loss)									374.8	85.6	(1.6)
Preferred stock dividends									0.0	0.0	0.0
Net income (loss) applicable to common shareowners									374.8	85.7	(1.6)
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents	0.4			0.2	0.2			0.3	0.2	0.3	0.3	0.4		0.2	0.3	0.3
Receivables, net												2.8		6.1
Other current assets												15.6		20.6
Disposal Group, Including Discontinued Operation, Other Assets, Current														4.7
Total current assets												18.8		31.6
Property, plant and equipment, net												53.4		50.8
Investment in CyrusOne												55.5		273.6
Goodwill and intangibles, net												12.3		12.7
Investments in and advances to subsidiaries												830.4		403.6
Other noncurrent assets												133.2		240.9
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent														44.6
Total assets												1,103.6		1,057.8
Current portion of long-term debt												3.4		2.3
Accounts payable												95.6		76.2
Other current liabilities												26.8		23.5
Disposal Group, Including Discontinued Operation, Other Liabilities, Current												5.4		142.0
Liabilities, Current												131.2		244.0
Long-term debt, less current portion												53.3		2.9
Other Liabilities, Noncurrent												11.8		4.6
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent														102.7
Intercompany payables												0.0		0.0
Total liabilities												196.3		354.2
Stockholders' Equity Attributable to Parent												907.3		703.6
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash flows (used in) provided by operating activities									(44.0)	1.0	28.8
Capital expenditures									(22.5)	(29.6)	(36.1)
Proceeds from sale of CyrusOne investment									643.9	355.9
Dividends received from CyrusOne									22.2	28.4	21.3
Proceeds from sale of assets									0.9	194.4	0.0
Cash Divested from Deconsolidation											0.0
Distributions received from subsidiaries									0.0	0.0
Funding between Parent and subsidiaries, net investing									(597.1)	(541.7)
Other investing activities									0.0	(5.5)	0.0
Cash flows provided by (used in) investing activities									47.4	1.9	(14.8)
Funding between Parent and subsidiaries, net financing									0.0	0.0
Distributions paid to Parent									0.0	0.0
Proceeds from issuance of long-term debt											0.0
Funding between Parent and subsidiaries, net											(10.0)
Debt issuance costs									0.0	0.0	0.0
Net increase in corporate credit and receivables facilities with initial maturities less than 90 days									0.0	0.0	0.0
Repayment of debt									(3.2)	(3.0)	(4.0)
Proceeds from exercise of options and warrants										0.0	0.0
Other financing activities									0.0	0.0	0.0
Cash flows provided by (used in) financing activities									(3.2)	(3.0)	(14.0)
(Decrease) increase in cash and cash equivalents									0.2	(0.1)	0.0
Cash and cash equivalents at beginning of year				0.2				0.3	0.2	0.3	0.3
Cash and cash equivalents at end of year	0.4				0.2				0.4	0.2	0.3
Total liabilities and shareowners' equity (deficit)												1,103.6		1,057.8
Notes guaranteed by subsidiaries [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue									592.2	601.5	608.6
Operating costs and expenses									478.1	434.7	430.5
Operating income (loss)									114.1	166.8	178.1
Interest Income (Expense), Net									0.4	(3.1)	2.8
Other expense (income), net									(10.9)	(12.3)	(6.6)
Income (loss) before equity in earnings of subsidiaries and income taxes									124.6	182.2	181.9
Income tax expense (benefit)									44.4	66.4	66.2
Equity in earnings of subsidiaries, net of tax									0.0	0.0	0.0
Income (Loss) from Continuing Operations Attributable to Parent									80.2	115.8	115.7
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent									0.0	0.0	0.0
Net income (loss)									80.2	115.8	115.7
Other comprehensive income (loss)									(0.4)	0.0	(0.1)
Total comprehensive income (loss)									79.8	115.8	115.6
Preferred stock dividends									0.0	0.0	0.0
Net income (loss) applicable to common shareowners									80.2	115.8	115.7
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents	2.4			1.5	1.5			2.2	1.5	2.2	19.5	2.4		1.5	2.2	19.5
Receivables, net												153.6		159.8
Other current assets												18.7		15.7
Disposal Group, Including Discontinued Operation, Other Assets, Current														0.0
Total current assets												174.7		177.0
Property, plant and equipment, net												921.8		764.4
Investment in CyrusOne												0.0		0.0
Goodwill and intangibles, net												2.2		2.2
Investments in and advances to subsidiaries												4.3		199.3
Other noncurrent assets												7.1		8.2
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent														0.0
Total assets												1,110.1		1,151.1
Current portion of long-term debt												5.0		3.9
Accounts payable												32.6		54.8
Other current liabilities												42.7		49.3
Disposal Group, Including Discontinued Operation, Other Liabilities, Current												0.0		0.0
Liabilities, Current												80.3		108.0
Long-term debt, less current portion												152.7		160.4
Other Liabilities, Noncurrent												160.5		151.0
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent														0.0
Intercompany payables												127.3		131.9
Total liabilities												520.8		551.3
Stockholders' Equity Attributable to Parent												589.3		599.8
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash flows (used in) provided by operating activities									174.2	230.5	268.1
Capital expenditures									(261.0)	(152.5)	(160.8)
Proceeds from sale of CyrusOne investment									0.0	0.0
Dividends received from CyrusOne									0.0	0.0	0.0
Proceeds from sale of assets									0.1	2.0	2.0
Cash Divested from Deconsolidation											(12.2)
Distributions received from subsidiaries									0.0	0.0
Funding between Parent and subsidiaries, net investing									114.7	(75.6)
Other investing activities									0.0	0.0	0.4
Cash flows provided by (used in) investing activities									(146.2)	(226.1)	(170.6)
Funding between Parent and subsidiaries, net financing									(4.0)	101.1
Distributions paid to Parent									(11.3)	(12.8)
Proceeds from issuance of long-term debt											0.0
Funding between Parent and subsidiaries, net											(164.2)
Debt issuance costs									(0.2)	(0.2)	0.0
Net increase in corporate credit and receivables facilities with initial maturities less than 90 days									(1.6)	(87.0)	54.2
Repayment of debt									(10.0)	(6.2)	(4.8)
Proceeds from exercise of options and warrants										0.0	0.0
Other financing activities									0.0	0.0	0.0
Cash flows provided by (used in) financing activities									(27.1)	(5.1)	(114.8)
(Decrease) increase in cash and cash equivalents									0.9	(0.7)	(17.3)
Cash and cash equivalents at beginning of year				1.5				2.2	1.5	2.2	19.5
Cash and cash equivalents at end of year	2.4				1.5				2.4	1.5	2.2
Total liabilities and shareowners' equity (deficit)												1,110.1		1,151.1
Notes guaranteed by subsidiaries [Member] | Consolidation, Eliminations [Member]
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue									(38.6)	(39.1)	(38.3)
Operating costs and expenses									(38.6)	(39.1)	(38.3)
Operating income (loss)									0.0	0.0	0.0
Interest Income (Expense), Net									0.0	0.0	0.0
Other expense (income), net									0.0	0.0	0.0
Income (loss) before equity in earnings of subsidiaries and income taxes									0.0	0.0	0.0
Income tax expense (benefit)									0.0	0.0	0.0
Equity in earnings of subsidiaries, net of tax									(455.0)	(201.5)	(114.1)
Income (Loss) from Continuing Operations Attributable to Parent									(455.0)	(201.5)	(114.1)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent									0.0	0.0	0.0
Net income (loss)									(455.0)	(201.5)	(114.1)
Other comprehensive income (loss)									0.0	0.0	0.0
Total comprehensive income (loss)									(455.0)	(201.5)	(114.1)
Preferred stock dividends									0.0	0.0	0.0
Net income (loss) applicable to common shareowners									(455.0)	(201.5)	(114.1)
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents	0.0			0.0	0.0			0.0	0.0	0.0	0.0	0.0		0.0	$ 0.0	$ 0.0
Receivables, net												0.0		0.0
Other current assets												0.0		0.0
Disposal Group, Including Discontinued Operation, Other Assets, Current														0.0
Total current assets												0.0		0.0
Property, plant and equipment, net												0.0		0.0
Investment in CyrusOne												0.0		0.0
Goodwill and intangibles, net												0.0		0.0
Investments in and advances to subsidiaries												(1,679.3)		(1,669.0)
Other noncurrent assets												(146.2)		(143.2)
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent														0.0
Total assets												(1,825.5)		(1,812.2)
Current portion of long-term debt												0.0		0.0
Accounts payable												0.0		0.0
Other current liabilities												0.0		0.1
Disposal Group, Including Discontinued Operation, Other Liabilities, Current												0.0		0.0
Liabilities, Current												0.0		0.1
Long-term debt, less current portion												0.0		0.0
Other Liabilities, Noncurrent												(146.2)		(143.4)
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent														0.0
Intercompany payables												(182.0)		(365.3)
Total liabilities												(328.2)		(508.6)
Stockholders' Equity Attributable to Parent												(1,497.3)		(1,303.6)
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash flows (used in) provided by operating activities									0.0	0.0	0.0
Capital expenditures									0.0	0.0	0.0
Proceeds from sale of CyrusOne investment									0.0	0.0
Dividends received from CyrusOne									0.0	0.0	0.0
Proceeds from sale of assets									0.0	0.0	0.0
Cash Divested from Deconsolidation											0.0
Distributions received from subsidiaries									(11.3)	(12.8)
Funding between Parent and subsidiaries, net investing									482.4	617.3
Other investing activities									0.0	0.0	0.0
Cash flows provided by (used in) investing activities									471.1	604.5	0.0
Funding between Parent and subsidiaries, net financing									(482.4)	(617.3)
Distributions paid to Parent									11.3	12.8
Proceeds from issuance of long-term debt											0.0
Funding between Parent and subsidiaries, net											0.0
Debt issuance costs									0.0	0.0	0.0
Net increase in corporate credit and receivables facilities with initial maturities less than 90 days									0.0	0.0	0.0
Repayment of debt									0.0	0.0	0.0
Proceeds from exercise of options and warrants										0.0	0.0
Other financing activities									0.0	0.0	0.0
Cash flows provided by (used in) financing activities									(471.1)	(604.5)	0.0
(Decrease) increase in cash and cash equivalents									0.0	0.0	0.0
Cash and cash equivalents at beginning of year				0.0				$ 0.0	0.0	0.0	0.0
Cash and cash equivalents at end of year	$ 0.0				0.0				0.0	0.0	0.0
Total liabilities and shareowners' equity (deficit)												$ (1,825.5)		(1,812.2)
Continuing Operations [Member]
Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) [Abstract]
Income tax expense (benefit)									159.8	81.4	(8.3)
Income (Loss) from Continuing Operations Attributable to Parent									290.8	117.7	(64.9)
Preferred stock dividends									10.4	10.4	10.4
Condensed Consolidating Balance Sheets [Abstract]
Other Liabilities, Noncurrent													$ 10.9	7.5
Total liabilities													$ 65.4	65.6
Condensed Consolidating Statements of Cash Flows [Abstract]
Capital expenditures									(283.6)	(175.8)	$ (180.9)
Continuing Operations [Member] | Notes guaranteed by subsidiaries [Member]
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents				57.9	57.9				57.9	57.9				57.9
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash and cash equivalents at beginning of year				57.9					57.9
Cash and cash equivalents at end of year					57.9					57.9
Continuing Operations [Member] | Notes guaranteed by subsidiaries [Member] | Guarantor Subsidiaries [Member]
Condensed Consolidating Balance Sheets [Abstract]
Cash and cash equivalents				0.2	0.2				0.2	0.2				$ 0.2
Condensed Consolidating Statements of Cash Flows [Abstract]
Cash and cash equivalents at beginning of year				$ 0.2					$ 0.2
Cash and cash equivalents at end of year					$ 0.2					$ 0.2
Senior Subordinated Notes due 2018 [Member]
Condensed Financial Statements, Captions [Line Items]
Extinguishment of Debt, Amount			$ 300.0			$ 325.0
Condensed Consolidating Statements of Cash Flows [Abstract]
Debt Instrument, Redemption Price, Percentage			102.188%			104.375%