Commitments and Contingencies - Stock Repurchases - General Information (Details) - October 2015 Share Repurchase Program - USD ($) $ in Millions	Sep. 30, 2020	Oct. 26, 2015
Equity, Class of Treasury Stock [Line Items]
Amount authorized under stock repurchase plan		$ 400.0
Remaining authorized repurchase amount	$ 186.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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