Consolidated Statements of Earnings - USD ($) $ in Millions	12 Months Ended
	May 31, 2020	May 26, 2019	May 27, 2018
Consolidated Statements of Earnings
Net sales	$ 3,792.4	$ 3,756.5	$ 3,423.7
Cost of sales	2,897.2	2,753.0	2,544.2
Gross profit	895.2	1,003.5	879.5
Selling, general and administrative expenses	338.3	335.1	299.4
Income from operations	556.9	668.4	580.1
Interest expense, net	108.0	107.1	108.8
Income before income taxes and equity method earnings	448.9	561.3	471.3
Income tax expense	112.3	133.6	121.2
Equity method investment earnings	29.3	59.5	83.6
Net income	365.9	487.2	433.7
Less: Income attributable to noncontrolling interests		8.6	16.9
Net income attributable to Lamb Weston Holdings, Inc.	$ 365.9	$ 478.6	$ 416.8
Earnings per share
Basic (in dollars per share)	$ 2.50	$ 3.19	$ 2.83
Diluted (in dollars per share)	$ 2.49	$ 3.18	$ 2.82