Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES

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INCOME TAXES
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
 
We are subject to U.S. federal, state and international income taxes. We are generally no longer subject to federal, state, or international income tax examinations by tax authorities for years before 2017 with a few exceptions. Due to the potential for resolution of state and foreign examinations, and the expiration of various statutes of limitations, it is reasonably possible that our gross unrecognized tax benefit balance may change within the next twelve months by a range of $0 to $7.0 million.
 
Effective Tax Rate

Our effective income tax rate is 24.4% for the three months ended March 31, 2021, compared to 24.0% for the three months ended March 31, 2020. Our effective tax rate was slightly higher during the first quarter of 2021 as compared to 2020 due to a slightly greater foreign income tax rate differential and lower forecasted research and development credits in 2021.

In the first quarter of 2020, the adverse economic effects of the COVID-19 pandemic caused the Company to reassess the need for valuation allowances against deferred tax assets. As a result of this analysis, the Company determined it was necessary to place valuation allowances against deferred tax assets of certain subsidiaries. The total amount of the valuation allowances recorded in the first quarter of 2020 was approximately $7.0 million.