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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ (5.7)	$ 1.8
Increase in unrecognized tax benefits	3.6
Unrecognized tax benefits that would impact effective tax rate	0.6
HelloSign Inc.
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	(6.9)
Deferred tax liability	$ 6.9

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- Definition

Unrecognized Tax Benefits that Would Impact Effective Tax Rate During The Period

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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