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Income Taxes
 9 Months Ended
Nov. 30, 2021
Income Tax Disclosure [Abstract]  
Income Taxes
Note 14 - Income Taxes

We reorganized the Company in Bermuda in 1994 and many of our foreign subsidiaries are not directly or indirectly owned by a U.S. parent. As such, a large portion of our foreign income is not subject to U.S. taxation on a permanent basis under current law. Additionally, our intellectual property is largely owned by foreign subsidiaries, resulting in proportionally higher earnings in jurisdictions with lower statutory tax rates, which decreases our overall effective tax rate. The taxable income earned in each jurisdiction, whether U.S. or foreign, is determined by the subsidiary's operating results and transfer pricing and tax regulations in the related jurisdictions.

For interim periods, our income tax expense and resulting effective tax rate are based upon an estimated annual effective tax rate adjusted for the effects of items required to be treated as discrete to the period, including changes in tax laws, changes in estimated exposures for uncertain tax positions and other items.

On March 11, 2021, the American Rescue Plan Act (the “ARP”) was enacted and signed into law. The ARP is an economic stimulus package in response to the COVID-19 outbreak which contains tax provisions that did not have a material impact to our condensed consolidated financial statements.

On March 27, 2020, the Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”) was enacted and signed into law. The CARES Act is an emergency economic stimulus package in response to the COVID-19 outbreak that contains numerous tax provisions. Among other things, the CARES Act included technical corrections to the effective date language in the Tax Cuts and Jobs Act, enacted into law on December 22, 2017 (the “Tax Act”), related to net operating loss carrybacks.

Upon the enactment of the Tax Act in fiscal 2018, there was a net operating loss on our balance sheet, which was measured using the U.S. statutory tax rate in effect prior to enactment. As a result of the Tax Act, we were required to record a one-time charge of $17.9 million in fiscal 2018, which included a charge of $9.4 million to remeasure the net operating loss at the reduced rate at which it was expected to reverse in the future. The CARES Act effectively reversed the impact of the Tax Act on our net operating loss, resulting in a corresponding tax benefit of $9.4 million recorded in the first quarter of fiscal 2021.

For the three months ended November 30, 2021, income tax expense as a percentage of income before income tax was 12.9% compared to 14.0% for the same period last year. The year-over-year decrease in the effective tax rate is primarily due to increases in liabilities related to uncertain tax positions in the prior
year period, partially offset by shifts in the mix of income in our various tax jurisdictions. For the nine months ended November 30, 2021, income tax expense as a percentage of income before income tax was 13.6% compared to 6.5% for the same period last year, primarily due to the mix of income in our various tax jurisdictions and the benefit of the CARES Act in fiscal 2021, partially offset by the favorable comparative impact of increases in liabilities related to uncertain tax positions in the prior year period.