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Other Balance Sheet Items Other Balance Sheet Items (Narrative) (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2022
USD ($)
Balance Sheet Related Disclosures [Abstract]    
Amortization of Other Deferred Charges $ 9.9 $ 19.7
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability $ 14.5 $ 14.5