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Income Taxes (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]        
Provision for income taxes $ 22,080,000 $ 31,359,000 $ 46,811,000 $ 46,217,000
Discrete tax expense (benefit) 1,700,000   11,400,000  
Discrete tax benefit related to reassessment of future realizability of certain foreign deferred tax assets   13,400,000   13,400,000
Discrete tax benefit expense related to reassessments of prior year tax liabilities and income taxes recorded on discrete basis in various jurisdictions   13,500,000   12,300,000
Current federal tax benefit 0 $ 0 0 $ 0
Reasonably possible changes to unrecognized tax benefits related to settlement of tax audits and/or expiration of statutes of limitations within the next twelve months $ 11,200,000   $ 11,200,000