Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 29, 2025	Nov. 30, 2024	Nov. 29, 2025	Nov. 30, 2024
Condensed Consolidated Statements of Income [Abstract]
Net sales	$ 769,498	$ 954,671	$ 1,692,100	$ 1,740,542
Cost of sales	562,112	598,629	1,173,400	1,137,282
Gross profit	207,386	356,042	518,700	603,260
Selling, general and administrative	82,887	77,633	152,401	139,565
(Gain) loss on involuntary conversions	0	10	(7,488)	156
(Gain) loss on disposal of fixed assets	630	338	734	(1,479)
Operating income	123,869	278,061	373,053	465,018
Other income (expense):
Interest income, net	12,266	9,770	25,116	19,555
Other, net	(56)	1,130	1,175	2,341
Total other income, net	12,210	10,900	26,291	21,896
Income before income taxes	136,079	288,961	399,344	486,914
Income tax expense	33,152	70,602	97,310	118,965
Net income	102,927	218,359	302,034	367,949
Less: Income (loss) attributable to noncontrolling interest	168	(705)	(65)	(1,091)
Net income attributable to Cal-Maine Foods, Inc.	$ 102,759	$ 219,064	$ 302,099	$ 369,040
Net income per common share:
Basic (in dollars per share)	$ 2.14	$ 4.49	$ 6.27	$ 7.57
Diluted (in dollars per share)	$ 2.13	$ 4.47	$ 6.26	$ 7.54
Weighted average shares outstanding:
Basic (in shares)	48,019	48,765	48,150	48,762
Diluted (in shares)	48,167	48,970	48,295	48,953