Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Statutory Federal Income Tax Rate to Effective Rate) (Details)

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Income Taxes (Reconciliation of Statutory Federal Income Tax Rate to Effective Rate) (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Provision for federal income taxes at the statutory rate 21.00% 21.00% 21.00%
State and local income taxes, net of federal benefit 2.50% 1.50% 1.70%
Non-U.S. income taxes at different rates 2.70% 2.10% (0.10%)
Foreign tax credits (2.40%) (0.90%) (0.10%)
effective income tax rate reconciliation, foreign deferred tax asset, percent 0.00% (1.20%) (2.10%)
Reduction of uncrecognized tax benefits 0.10% 0.10% 0.00%
Research credits (0.40%) (1.40%) (0.50%)
Reduction of valuation allowance (1.40%) 0.50% 0.30%
Excess tax benefits from stock plans (0.90%) (0.80%) (1.60%)
Other 0.40% 1.70% (0.10%)
Actual provision for income taxes 21.60% 22.60% 18.50%