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Income tax provision (Tables)
3 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Effective income tax rate reconciliation
The effective tax rate on pretax income reconciles to the U.S. federal statutory tax rate as follows:
Quarter Ended
March 31, 2023
Year Ended
December 31, 2022
Income tax at federal statutory rate21.0 %21.0 %
Change in valuation allowance149.5 %7.2 %
Tax impact of share-based compensation22.3 %3.2 %
Acquisition-related items9.0 %0.1 %
Payables and receivables for prior year tax returns4.0 %(0.3 %)
Tax on repatriation of foreign earnings2.7 %2.2 %
Foreign tax rate differences2.5 %1.9 %
Non-deductible executive compensation2.2 %2.2 %
State income tax expense, net of federal income tax benefit1.1 %2.7 %
Sale of business/basis difference in assets held for sale(149.5 %)(15.8 %)
Change in unrecognized tax benefits, including interest and penalties(5.8 %)0.2 %
Return to provision adjustments— (1.9 %)
Research and development tax credit(1.6 %)(1.2 %)
Other0.1 %0.8 %
Effective tax rate57.5 %22.3 %