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Accrued and Other Current Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Payables and Accruals [Abstract] |  |
Non-income taxes payable | $ 75.7 | $ 69.7
Accrued legal and other external fees | 28.1 | 21.3
Deferred rent | 41.0 | 14.6
Financing obligations, current | 2.6 | 9.7
Income taxes payable | 0.3 | 0.4
Other accrued and current liabilities | 16.8 | 14.1
Total accrued and other current liabilities | $ 164.5 | $ 129.8

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