Income Taxes	6 Months Ended
Income Taxes	Nov. 29, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The provision for income taxes for the six months ended November 29, 2020 and November 24, 2019, was a benefit of $7.0 million and $2.5 million, respectively. The effective tax rate for the six months ended November 29, 2020 and November 24, 2019 was 22% and 18%, respectively. The effective tax rate for the six months ended November 29, 2020, was higher than the statutory federal income tax rate of 21% primarily due to the generation of federal & state R&D credits and impact of states taxes, partially offset by the movement of the valuation allowance recorded against certain deferred tax assets. As of November 29, 2020 and May 31, 2020, the Company had unrecognized tax benefits of $0.9 million and $0.8 million, respectively. Included in the balance of unrecognized tax benefits as of November 29, 2020 and May 31, 2020, is $0.8 million and $0.7 million, respectively, of tax benefits that, if recognized, would result in an adjustment to the Company’s effective tax rate. The Company does not expect its unrecognized tax benefits to change significantly within the next twelve months. The Company has elected to classify interest and penalties related to uncertain tax positions as a component of its provision for income taxes. The Company has accrued an insignificant amount of interest and penalties relating to the income tax on the unrecognized tax benefits as of November 29, 2020 and May 31, 2020. Due to tax attribute carryforwards, the Company is subject to examination for tax years 2017 forward for U.S. tax purposes. The Company is also subject to examination in various state jurisdictions for tax years 2015 forward, none of which were individually significant.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.