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Income Tax Income Tax Disclosure
9 Months Ended
Oct. 31, 2020
Income Tax Disclosure [Abstract]  
Income Tax Disclosure INCOME TAXES
The Company’s effective tax rate varies from the federal statutory rate primarily due to state and local taxes, R&D tax credit, foreign-derived intangible income deduction, and tax-exempt insurance premiums. The Company’s effective tax rates were as follows:
Three Months EndedNine Months Ended
October 31,
2020
October 31,
2019
October 31,
2020
October 31,
2019
Effective tax rate1.6 %13.0 %1.9 %14.7 %
The decrease in the effective tax rate year-over-year was driven primarily by an increase in the R&D tax credit as a percentage of estimated pre-tax income in the current fiscal year.
The Company's discrete tax benefit was as follows:
Three Months EndedNine Months Ended
October 31,
2020
October 31,
2019
October 31,
2020
October 31,
2019
Discrete tax benefit$303 $268 $580 $1,336 
The Company operates both domestically and internationally. As of October 31, 2020, undistributed earnings from the Company's foreign subsidiaries were considered to have been reinvested indefinitely.