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v3.8.0.1

SUBSEQUENT EVENTS (Details) 10Q - USD ($) $ / shares in Units, $ in Millions |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 15, 2017 | Nov. 15, 2017 | Apr. 12, 2017 | Apr. 04, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Subsequent Events |  |  |  |  |  |
Interest rate (as a percent) | 4.375% |  |  |  |  |
Illinois |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Cash paid for acquisition |  |  | $ 9.7 |  | $ 9.7 |
Illinois | Class C units |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Stated value (in dollars per share) |  |  |  |  | $ 25 |
Distribution rate (as a percent) |  |  |  |  | 3.00% |
Senior notes 4.375% due 2023 |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Proceeds from senior notes | $ 250.0 |  |  | $ 50.0 |  |
Senior notes, principal amount |  |  |  |  | $ 300.0 | $ 300.0
Interest rate (as a percent) |  |  |  | 4.375% | 4.375% | 4.375%
Debt instrument, redemption percentage | 98.995% |  |  | 105.04% |  |
Effective interest rate (as a percent) |  |  |  |  | 4.33% |
Senior notes 4.000% due 2025 |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Proceeds from senior notes |  | $ 250.0 |  | $ 50.0 |  |
Senior notes, principal amount |  |  |  |  | $ 300.0 | $ 300.0
Interest rate (as a percent) |  | 4.00% |  | 4.00% | 4.00% | 4.00%
Debt instrument, redemption percentage |  | 99.735% |  | 101.343% |  |
Effective interest rate (as a percent) |  | 4.032% |  | 3.811% | 3.99% |

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