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Long-Term Debt - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Jun. 30, 2018 | Jul. 31, 2018
Long-Term Debt |  |  |
Long-term debt | $ 130.0 |  |
Short-term debt amount outstanding |  | $ 1,200.0 |
Symphony of the Seas |  |  |
Long-Term Debt |  |  |
Long-term debt |  | $ 1,200.0 |
Long term debt, term | 12 years |  |
Fixed interest rate |  | 3.82% |
LIBOR |  |  |
Long-Term Debt |  |  |
Debt Floating Rate |  | 1.195% |
LIBOR | Silversea Cruises |  |  |
Long-Term Debt |  |  |
Debt Floating Rate |  | 1.00% |
Subsequent Event |  |  |
Long-Term Debt |  |  |
Borrowings outstanding |  |  | $ 415.0
Subsequent Event | Silversea Cruises |  |  |
Long-Term Debt |  |  |
Long-term debt |  |  | $ 700.0

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