Income tax provision (Tables)

9 Months Ended

Sep. 30, 2022

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:

	Nine Months Ended September 30, 2022		Year Ended December 31, 2021
Income tax at federal statutory rate	21.0	%	21.0	%
Change in valuation allowance	10.2	%	0.1	%
Tax impact of share-based compensation	4.0	%	0.9	%
State income tax expense, net of federal income tax benefit	2.8	%	2.4	%
Non-deductible executive compensation	2.2	%	1.7	%
Foreign tax rate differences	1.5	%	1.7	%
Tax on repatriation of foreign earnings	1.5	%	4.9	%
Non-deductible acquisition costs	0.1	%	1.5	%
Sale of business (Note 6)	(12.5	%)	—
Research and development tax credit	(1.0	%)	(0.9	%)
Other	(0.2	%)	(0.2	%)
Effective tax rate	29.6	%	33.1	%