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Fair Value Measurements
9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
The following tables present the Company’s fair value hierarchy for financial assets and liabilities measured as of September 30, 2020 and December 31, 2019 ($ in millions):
September 30, 2020
Level 1Level 2Level 3Total
Assets:
U.S. Government obligations$— $6.7 $— $6.7 
Total$— $6.7 $— $6.7 
December 31, 2019
Level 1Level 2Level 3Total
Assets:
U.S. Government obligations$— $5.9 $— $5.9 
Total$— $5.9 $— $5.9 
There were no transfers between Level 1, Level 2, or Level 3 during the three and nine months ended September 30, 2020 and 2019.