Debt - Additional Information (Details) - USD ($) | Mar. 29, 2016 | May 27, 2015 | Apr. 24, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015 |
Debt Instrument [Line Items] | | | | | | | | | |
Dividends, Cash | | | | | | | $ 29,300,000 | | |
Debt Instrument, Unamortized Discount (Premium), Net | [1] | | | | $ 8,900,000 | | 8,900,000 | | $ (4,600,000) |
Net gain (loss) on early extinguishment of debt | | | | | 37,500,000 | $ (43,400,000) | 2,100,000 | $ (43,400,000) | |
Unamortized debt issuance costs | [1] | | | | $ (61,100,000) | | $ (61,100,000) | | (62,800,000) |
Leverage ration under covenant | | | | | 4.5 | | 4.5 | | |
Interest coverage ratio under covenant | | | | | 2.75 | | 2.75 | | |
Secured Debt | Senior secured credit facility, Tranche B6 – variable rates, due March 29, 2021 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Senior secured credit facilities, new borrowings | [2] | $ 600,000,000 | | | | | | | |
Senior secured credit facility | [2] | | | | $ 598,500,000 | | $ 598,500,000 | | 0 |
Debt Instrument, Unamortized Discount (Premium), Net | [2] | 15,000,000 | | | | | | | |
Debt Issuance Cost | [2] | 10,700,000 | | | | | | | |
Secured Debt | Senior secured credit facility, Tranche B5 - variable rates, due August 8, 2019 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Senior secured credit facility | | | | | 575,200,000 | | 575,200,000 | | 578,200,000 |
Secured Debt | Tranche B4, Notes 2020 [Member] [Domain] | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Repayments of Debt | | | | $ 241,800,000 | | | | | |
Unsecured Debt | Partial Repurchase of Senior Unsecured Notes | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | | 394,600,000 | | 394,600,000 | | |
Unamortized Net Discount and Debt Issuance Costs | | 8,800,000 | | | | | | | |
Net gain (loss) on early extinguishment of debt | | | | | 37,700,000 | 0 | 50,800,000 | 0 | |
Amortization of Debt Discount (Premium) | | | | | 500,000 | 0 | 800,000 | 0 | |
Write off of Deferred Debt Issuance Cost | | | | | 3,100,000 | 0 | 3,900,000 | 0 | |
Unsecured Debt | 2017 Notes - 7.875%, due November 1, 2017 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | | $ 93,500,000 | | $ 93,500,000 | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | 7.875% | | 7.875% | | |
Repayments of Debt | | | | | | | $ 97,800,000 | | |
Notes Payable | | | | | $ 369,500,000 | | 369,500,000 | | 904,100,000 |
Net gain (loss) on early extinguishment of debt | | | | | (200,000) | 0 | (48,700,000) | 0 | |
Amortization of Debt Discount (Premium) | | | | | 0 | 0 | (2,000,000) | 0 | |
Write off of Deferred Debt Issuance Cost | | | | | 0 | 0 | 3,700,000 | 0 | |
Unsecured Debt | 2021 Notes - 7.750% due October 1, 2021 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | | $ 97,900,000 | | $ 97,900,000 | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | 7.75% | | 7.75% | | |
Repayments of Debt | | | | | | | $ 81,300,000 | | |
Notes Payable | | | | | $ 822,400,000 | | 822,400,000 | | 920,400,000 |
Unsecured Debt | 2022 Notes - 7.500% due June 1, 2022 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | | $ 38,800,000 | | $ 38,800,000 | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | 7.50% | | 7.50% | | |
Repayments of Debt | | | | | | | $ 30,500,000 | | |
Notes Payable | | | | | $ 447,200,000 | | 447,200,000 | | 485,900,000 |
Unsecured Debt | 2023 Notes - 7.500% due April 1, 2023 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | | $ 119,900,000 | | $ 119,900,000 | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | 7.50% | | 7.50% | | |
Repayments of Debt | | | | | | | $ 98,500,000 | | |
Notes Payable | | | | | $ 420,200,000 | | 420,200,000 | | 540,100,000 |
Unsecured Debt | 2023 Notes - 6.375%, due August 1, 2023 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | | $ 44,500,000 | | $ 44,500,000 | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | 6.375% | | 6.375% | | |
Repayments of Debt | | | | | | | $ 36,900,000 | | |
Notes Payable | | | | | $ 655,500,000 | | 655,500,000 | | $ 700,000,000 |
Unsecured Debt | Notes 2018 [Member] | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 8.125% | | | | | | |
Notes Payable | | | $ 400,000,000 | | | | | | |
Net gain (loss) on early extinguishment of debt | | | | | 0 | (21,700,000) | 0 | (21,700,000) | |
Debt Repurchase, Principal Amount on Which Total Consideration Paid | | | 0 | | | | | | |
Debt instrument, Redemption Price Payable per $1,000 | | | 1,040.63 | | | | | | |
Amortization of Debt Discount (Premium) | | | (1,400,000) | | 0 | (1,400,000) | 0 | (1,400,000) | |
Write off of Deferred Debt Issuance Cost | | | 4,000,000 | | 0 | $ 4,000,000 | 0 | $ 4,000,000 | |
Line of Credit | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Repayments of Lines of Credit | | | | | 672,000,000 | | | | |
Line of Credit | Senior secured credit facility, Revolving line of credit - variable rates, due April 24, 2020 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | | 1,250,000,000 | | 1,250,000,000 | | |
Letters of Credit under Revolving Line of Credit, Maximum | | | | | 30,000,000 | | 30,000,000 | | |
Line of Credit Facility, Increase, Additional Borrowings | | | | | | | 1,340,000,000 | | |
Repayments of Lines of Credit | | | | | | | 1,515,000,000 | | |
Letters of Credit Outstanding, Amount | | | | | 23,000,000 | | 23,000,000 | | |
Line of Credit Facility, Remaining Borrowing Capacity | | | | | $ 1,102,000,000 | | $ 1,102,000,000 | | |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | | | | | | | 2.44% | 2.19% | |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum | | | | | | | 4.50% | 4.50% | |
Long-term Debt, Weighted Average Interest Rate | | | | | 2.50% | 2.53% | 2.50% | 2.53% | |
Minimum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | | | | | | | 0.40% | | |
Maximum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | | | | | | | 0.50% | | |
PAETEC Holding Corp. | Unsecured Debt | Notes, December 2018 [Member] | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | $ 450,000,000 | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 9.875% | | | | | | |
Net gain (loss) on early extinguishment of debt | | | | | $ 0 | $ (5,300,000) | $ 0 | $ (5,300,000) | |
Debt instrument, Redemption Price Payable per $1,000 | | | $ 1,049.38 | | | | | | |
Amortization of Debt Discount (Premium) | | | $ 16,900,000 | | $ 0 | 16,900,000 | $ 0 | 16,900,000 | |
Cinergy Communications Company [Member] | Secured Debt | Notes 2022 [Member] | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | | 1,900,000 | | | | | |
Secured Debt | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Quarterly Amortization Payment on Term Loans, Stated As A Percent of Initial Principal Amount | | | | | | | 0.25% | | |
Secured Debt | Unsecured Debt | 2017 Notes - 7.875%, due November 1, 2017 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | 441,100,000 | | | | | | | |
Repayments of Debt | | 477,500,000 | | | | | | | |
Debt Repurchase, Total Consideration Paid per $1,000 | | 1,082.50 | | | | | | | |
Debt Repurchase, Principal Amount on Which Total Consideration Paid | | 1,000 | | | | | | | |
Debt Repurchase, Early Tender Payment | | $ 30 | | | | | | | |
Base Rate [Member] | Secured Debt | Minimum | Senior secured credit facility, Tranche B6 – variable rates, due March 29, 2021 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 0.75% | | |
Base Rate [Member] | Secured Debt | Minimum | Senior secured credit facility, Tranche B5 - variable rates, due August 8, 2019 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 0.75% | | |
Base Rate [Member] | Secured Debt | Maximum | Senior secured credit facility, Tranche B6 – variable rates, due March 29, 2021 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 4.00% | | |
Base Rate [Member] | Secured Debt | Maximum | Senior secured credit facility, Tranche B5 - variable rates, due August 8, 2019 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 1.75% | | |
Base Rate [Member] | Revolving Credit Facility [Member] | Minimum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 0.25% | | |
Base Rate [Member] | Revolving Credit Facility [Member] | Maximum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 1.00% | | |
London Interbank Offered Rate (LIBOR) [Member] | Secured Debt | Senior secured credit facility, Tranche B6 – variable rates, due March 29, 2021 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 5.00% | | |
London Interbank Offered Rate (LIBOR) [Member] | Secured Debt | Senior secured credit facility, Tranche B5 - variable rates, due August 8, 2019 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 2.75% | | |
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Minimum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 1.25% | | |
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Maximum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | 2.00% | | |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff [Member] | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Dividends, Cash | | | | $ 1,035,000,000 | | | | | |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | | | | 19.60% | | | | | |
Net gain (loss) on early extinguishment of debt | | | | | | $ 15,900,000 | | $ 15,900,000 | |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff [Member] | Line of Credit | Senior secured credit facility, Revolving line of credit - variable rates, due April 24, 2020 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Repayments of Lines of Credit | | | | $ 752,200,000 | | | | | |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff [Member] | Windstream Holdings, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Senior secured credit facility | | | | $ 1,700,000,000 | | | | | |
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[1] | The net (discount) premium balance and unamortized debt issuance costs are amortized using the interest method over the life of the related debt instrument. | |
[2] | If the maturity of the revolving line of credit is not extended prior to April 24, 2020, the maturity date of the Tranche B6 term loan will be April 24, 2020; provided further, if the 2020 Notes have not been repaid or refinanced prior to July 15, 2020 with indebtedness having a maturity date no earlier than March 29, 2021, the maturity date of the Tranche B6 term loan will be July 15, 2020. | |