Combined and Consolidated Statements of Earnings - USD ($) $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Combined and Consolidated Statements of Earnings
Net sales	$ 3,168.0	$ 2,993.8	$ 2,925.0
Cost of sales	2,381.5	2,326.4	2,337.7
Gross profit	786.5	667.4	587.3
Selling, general and administrative expenses	268.2	294.1	205.9
Income from operations	518.3	373.3	381.4
Interest expense, net	61.2	5.9	6.1
Income before income taxes and equity method earnings	457.1	367.4	375.3
Income tax expense	170.2	144.5	140.4
Equity method investment earnings	53.3	71.7	42.7
Net income	340.2	294.6	277.6
Less: Income attributable to noncontrolling interests	13.3	9.3	9.3
Net income attributable to Lamb Weston Holdings, Inc.	$ 326.9	$ 285.3	$ 268.3
Earnings per share
Basic (in dollars per share)	$ 2.22	$ 1.92	$ 1.83
Diluted (in dollars per share)	2.22	$ 1.92	$ 1.83
Dividends declared per common share (in dollars per share)	$ 0.375