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Accrued and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Accrued and Other Current Liabilities | Accrued and Other Current Liabilities Accrued and other current liabilities consisted of the following:
|  | As of December 31,
|  | 2018 |  | 2017
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 |
Deferred rent as of December 31, 2018 increased from December 31, 2017 primarily due to the amendment of the lease for the Company's current corporate headquarters and the shortening of its lease term in May 2018, as described further in Note 10, "Commitments and Contingencies". This lease modification resulted in a reclassification of deferred rent from deferred rent, non-current to accrued and other current liabilities, and is included in the deferred rent amount in the table above.

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