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Income Tax Income Tax Disclosure
6 Months Ended
Jul. 31, 2021
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 and R&D tax credits. The Company’s effective tax rates were as follows:
Three Months EndedSix Months Ended
July 31,
2021
July 31,
2020
July 31,
2021
July 31,
2020
Effective tax rate15.0 %10.8 %16.2 %2.2 %
The increase in the effective tax rate year-over-year was driven primarily by an increase in estimated pre-tax income in the current fiscal year. The Company operates both domestically and internationally. As of July 31, 2021, undistributed earnings from the Company's foreign subsidiaries were considered to have been reinvested indefinitely.