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Income Taxes
 3 Months Ended
Aug. 28, 2021
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company's process for determining the provision for income taxes for the three months ended August 28, 2021 involved using an estimated annual effective tax rate which was based on expected annual income and statutory tax rates across the various jurisdictions in which it operates. The effective tax rates were 15.3% and 22.0%, respectively, for the three month periods ended August 28, 2021 and August 29, 2020. The year over year decrease in the effective tax rate for the three months ended August 28, 2021 resulted from a pre-tax book loss reported for the quarter coupled with non-deductible discrete compensation and acquisition costs in the current quarter in connection with the Knoll acquisition as compared to pre-tax book income. The same quarter of the prior year had no comparable impact from acquisitions. For the three months ended August 28, 2021, the effective tax rate is lower than the United States federal statutory rate due to the impact of the Knoll acquisition related costs creating a pre-tax loss for the quarter coupled with non-deductible discrete compensation and acquisition costs in the quarter. For the three months ended August 29, 2020, the effective tax rate was higher than the United States federal statutory rate due to United States state income taxes and the mix of earnings in tax jurisdictions that had rates that were higher than the United States federal statutory rate.

The Company recognizes interest and penalties related to uncertain tax benefits through income tax expense in its Condensed Consolidated Statements of Comprehensive Income. Interest and penalties recognized in the Company's Condensed Consolidated Statements of Comprehensive Income were negligible for the three months ended August 28, 2021 and August 29, 2020.

The Company's recorded liability for potential interest and penalties related to uncertain tax benefits was:
(In millions)August 28, 2021May 29, 2021
Liability for interest and penalties$0.9 $0.9 
Liability for uncertain tax positions, current$2.8 $2.1 

The Company is subject to periodic audits by domestic and foreign tax authorities. Currently, the Company is undergoing routine periodic audits in both domestic and foreign tax jurisdictions. It is reasonably possible that the amounts of unrecognized tax benefits could change in the next twelve months because of the audits. Tax payments related to these audits, if any, are not expected to be material to the Company's Condensed Consolidated Statements of Comprehensive Income.

For the majority of tax jurisdictions, the Company is no longer subject to state, local, or non-United States income tax examinations by tax authorities for fiscal years before 2018.