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Organization (Tables) | 6 Months Ended
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Jun. 30, 2018
Use of the Proceeds from the IPO | expenses. The use of the proceeds from the IPO were as follows:
Gross proceeds |  | $ | 631.3 |
Less: |  |  |  |
Underwriters’ discounts and commissions |  |  | 29.2 |
IPO-related expenses |  |  | 11.8 |
Redemption of 11% Senior Notes due 2021 (Note 8) |  |  | 475.0 |
Call premium on redemption of 11% Senior Notes due 2021 |  |  | 13.1 |
Interest on redemption of 11% Senior Notes due 2021 |  |  | 10.9 |
Sponsor management termination fee |  |  | 11.3 |
Debt refinancing expenses |  |  | 11.4 |
Cash to balance sheet |  | $ | 68.6 |

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- Definition Proceed repayment of initial public offering. + References No definition available. + Details
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