Income taxes	6 Months Ended
	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Income taxes	Income taxesThe effective income tax rate for the three and six months ended June 30, 2022 was 23.5% and 37.1% respectively, compared with 27.8% and 26.7% for the three and six months ended June 30, 2021 and reflects the Company's annual estimate of the statutory federal and state tax rates adjusted for certain discrete items. The effective tax rate for the second quarter of 2022 was negatively impacted by valuation allowance on the Company's foreign operations whereas the effective tax rate for the second quarter of 2021 was impacted by unfavorable permanent items.