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Commitments and Contingencies - Stock Repurchases - General Information (Details) - October 2015 Share Repurchase Program - USD ($)
$ in Millions
May 24, 2018
Jun. 30, 2020
Oct. 26, 2015
Equity, Class of Treasury Stock [Line Items]      
Amount authorized under stock repurchase plan $ 400.0   $ 200.0
Increase in amount authorized under stock repurchase plan $ 200.0    
Remaining authorized repurchase amount   $ 186.3