NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	9 Months Ended
Feb. 28, 2021
NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Basis of Presentation	Basis of Presentation The accompanying unaudited Consolidated Financial Statements present the financial results of Lamb Weston for the thirteen and thirty-nine weeks ended February 28, 2021 and February 23, 2020, and have been prepared in accordance with generally accepted accounting principles (“GAAP”) in the United States of America. These financial statements include all adjustments that we consider necessary for a fair presentation of such financial statements and consist only of normal recurring adjustments. The preparation of financial statements involves the use of estimates and accruals. The inputs into our judgements and estimates consider the economic implications of the effects of the COVID-19 pandemic on our critical accounting estimates and significant accounting policies. The actual results that we experience may differ materially from those estimates. Results for interim periods should not be considered indicative of results for our full fiscal year, which ends the last Sunday in May. These financial statements and condensed notes should be read together with the consolidated financial statements and notes in our Annual Report on Form 10-K for the fiscal year ended May 31, 2020 (the “Form 10-K”), which we filed with the Securities and Exchange Commission on July 28, 2020.
New and Recently Issued Accounting Pronouncements	New and Recently Issued Accounting Pronouncements Recently Adopted Accounting Pronouncements Receivables – Credit Losses In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance replaces the existing incurred loss impairment model by requiring the use of forward-looking information to assess expected credit losses. We adopted this guidance on June 1, 2020 (the beginning of fiscal 2021), and it did not have a significant impact on our consolidated financial statements or our condensed notes to consolidated financial statements. Accounting Pronouncements Not Yet Adopted Reference Rate Reform In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This update provides optional guidance for a limited period of time to ease potential accounting impacts associated with transitioning away from reference rates that are expected to be discontinued, such as interbank offered rates and the London Interbank Offered Rate (“LIBOR”). This guidance includes practical expedients for contract modifications due to reference rate reform. Generally, contract modifications related to reference rate reform may be considered an event that does not require remeasurement or reassessment of a previous accounting determination at the modification date. This guidance is effective immediately and generally can be applied through December 31, 2022. We are currently evaluating the potential impact of this standard on our financial statements. There were no other accounting pronouncements recently issued that had or are expected to have a material impact on our financial statements.

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

9 Months Ended

Feb. 28, 2021

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited Consolidated Financial Statements present the financial results of Lamb Weston for the thirteen and thirty-nine weeks ended February 28, 2021 and February 23, 2020, and have been prepared in accordance with generally accepted accounting principles (“GAAP”) in the United States of America. These financial statements include all adjustments that we consider necessary for a fair presentation of such financial statements and consist only of normal recurring adjustments. The preparation of financial statements involves the use of estimates and accruals. The inputs into our judgements and estimates consider the economic implications of the effects of the COVID-19 pandemic on our critical accounting estimates and significant accounting policies. The actual results that we experience may differ materially from those estimates. Results for interim periods should not be considered indicative of results for our full fiscal year, which ends the last Sunday in May.

These financial statements and condensed notes should be read together with the consolidated financial statements and notes in our Annual Report on Form 10-K for the fiscal year ended May 31, 2020 (the “Form 10-K”), which we filed with the Securities and Exchange Commission on July 28, 2020.

New and Recently Issued Accounting Pronouncements

New and Recently Issued Accounting Pronouncements

Recently Adopted Accounting Pronouncements

Receivables – Credit Losses

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance replaces the existing incurred loss impairment model by requiring the use of forward-looking information to assess expected credit losses. We adopted this guidance on June 1, 2020 (the beginning of fiscal 2021), and it did not have a significant impact on our consolidated financial statements or our condensed notes to consolidated financial statements.

Accounting Pronouncements Not Yet Adopted

Reference Rate Reform

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This update provides optional guidance for a limited period of time to ease potential accounting impacts associated with transitioning away from reference rates that are expected to be discontinued, such as interbank offered rates and the London Interbank Offered Rate (“LIBOR”). This guidance includes practical expedients for contract modifications due to reference rate reform. Generally, contract modifications related to reference rate reform may be considered an event that does not require remeasurement or reassessment of a previous accounting determination at the modification date. This guidance is effective immediately and generally can be applied through December 31, 2022. We are currently evaluating the potential impact of this standard on our financial statements.

There were no other accounting pronouncements recently issued that had or are expected to have a material impact on our financial statements.