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v3.8.0.1

Debt (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2017 | Mar. 31, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Jun. 30, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |
Loss (gain) on debt extinguishment |  |  |  | $ (2.6) | $ 279.0 |  |
Amortization of debt discount (premium) |  |  |  | (8.7) | $ (16.2) |  |
Maturities in 2019 | $ 237.6 |  |  | 237.6 |  |  |
Maturities in 2020 | 450.9 |  |  | 450.9 |  |  |
Maturities 2021 | $ 269.7 |  |  | $ 269.7 |  |  |
Quarterly cash dividends (in dollars per share) | $ 0.01 |  | $ 0.01 | $ 0.03 | $ 0.03 |  |
8.50% Senior notes due 2019 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument interest rate stated percentage | 8.50% |  |  | 8.50% |  |  | 8.50%
6.875% Senior notes due 2020 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument interest rate stated percentage | 6.875% |  |  | 6.875% |  |  | 6.875%
4.70% Senior notes due 2021 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument interest rate stated percentage | 4.70% |  |  | 4.70% |  |  | 4.70%
8.00% Senior notes due 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument interest rate stated percentage | 8.00% |  |  | 8.00% |  |  |
Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Loss (gain) on debt extinguishment |  | $ 6.2 |  |  |  |  |
Revolving Credit Facility [Member] | Credit Facility due 2022 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Current borrowing capacity | $ 1,200.0 |  |  | $ 1,200.0 |  |  |
Period for repayment of acquired companies |  |  |  | 90 days |  |  |
Aggregate amount of available cash, after repayments | 250.0 |  |  | $ 250.0 |  |  |
Revolving Credit Facility [Member] | Five Year Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Current borrowing capacity | 2,000.0 |  |  | 2,000.0 |  | $ 2,250.0 |
Maximum borrowing capacity | 1,500.0 |  |  | $ 1,500.0 |  |  |
Commitment fee percentage |  |  |  | 0.625% |  |  |
Maximum percent of debt to total capitalization ratio |  |  |  | 60.00% |  |  |
Additional secured debt, value |  |  |  | $ 750.0 |  |  |
Additional secured debt, percent of tangible net worth |  |  |  | 10.00% |  |  |
Quarterly cash dividends (in dollars per share) |  |  |  | $ 0.01 |  |  |
Aggregate amount of available cash | 150.0 |  |  | $ 150.0 |  |  |
Fair value of amount outstanding | 0.0 |  |  | $ 0.0 |  |  |
Revolving Credit Facility [Member] | Credit Facility due 2020 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Current borrowing capacity |  |  |  |  |  | $ 1,130.0 |
Revolving Credit Facility [Member] | Base Rate | Five Year Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 2.50% |  |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) | Five Year Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 3.50% |  |  |
Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Amortization of debt discount (premium) |  | 3.5 |  |  |  |  |
Amortization of debt issuance costs |  | 2.7 |  |  |  |  |
Senior Notes | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Principal Amount Repurchased | 194.1 | 649.5 |  | $ 194.1 |  |  |
Senior Notes | Senior Notes | 8.50% Senior notes due 2019 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Principal Amount Repurchased | 54.6 | 145.8 |  | 54.6 |  |  |
Senior Notes | Senior Notes | 6.875% Senior notes due 2020 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Principal Amount Repurchased | 100.1 | 129.8 |  | 100.1 |  |  |
Senior Notes | Senior Notes | 4.70% Senior notes due 2021 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Principal Amount Repurchased | $ 39.4 | $ 373.9 |  | $ 39.4 |  |  |

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