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Income Taxes - Reconciliation of U. S. Federal Statutory Income Tax Rate to Actual Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Provision computed at statutory rate 21.00% 21.00% 21.00%
Remeasurement of deferred taxes (1.00%) (0.60%) 0.20%
Change in valuation allowance (0.10%) 0.10% (1.70%)
U.S. impact of Enterprise acquisition 0.30% 0.30% 1.00%
Change in contingent income tax reserves (0.20%) (0.40%) (3.30%)
Foreign earnings subject to U.S. taxation (2.00%) 1.50% 1.80%
Foreign rate differential (1.70%) (5.50%) (0.70%)
State income tax, net of federal tax benefit 0.30% 0.40% (0.20%)
Tax credits (2.00%) (2.90%) (2.30%)
Equity compensation deductions (2.40%) (3.20%) (4.00%)
Return to provision and other true ups (0.90%) (2.50%) (2.00%)
Permanent differences and other 2.20% 1.80% (0.80%)
Provision for income taxes 13.50% 10.00% 9.00%