Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Treasury Stock	Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest	Common Stock	Class A Convertible Common Stock
Balance at May. 31, 2014	$ 594,745	$ (20,453)	$ 40,476	$ 572,874	$ 561	$ 912	$ 351	$ 24
Balance (in shares) at May. 31, 2014		13,350					35,130	2,400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends	(53,784)			(53,784)
2-for-1 stock split effected in the form of a dividend	0	$ (133)	132	(375)			$ 352	$ 24
2-for-1 stock split effected in the form of a dividend (in shares)		13,340					35,131	2,400
Issuance of restricted stock from treasury, net of forfeitures	0	$ 70	(70)
Issuance of restricted stock from treasury, net of forfeitures (in shares)		(91)
Purchase of company stock - shares withheld to satisfy withholding obligation in connection with the vesting of restricted stock	0	$ (2)	2
Proceeds from stock option exercise	137	$ 36	101
Proceeds from stock option exercise (in shares)		(36)
Restricted stock compensation expense	2,268		2,268
Tax benefit on nonqualifying disposition of incentive stock options	395		395
Distribution to noncontrolling interest partners	(941)					(941)
Net income (loss)	162,281			161,254		1,027
Other comprehensive loss, net of tax	(539)				(539)
Balance at May. 30, 2015	704,562	$ (20,482)	43,304	679,969	22	998	$ 703	$ 48
Balance (in shares) at May. 30, 2015		26,563					70,261	4,800
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends	(105,570)			(105,570)
Issuance of restricted stock from treasury, net of forfeitures	0	$ 58	(58)
Issuance of restricted stock from treasury, net of forfeitures (in shares)		(76)
Purchase of company stock - shares withheld to satisfy withholding obligation in connection with the vesting of restricted stock	(1,848)	$ (1,848)
Purchase of company stock - shares withheld to satisfy withholding obligation in connection with the vesting of restricted stock (in shares)		37
Restricted stock compensation expense	3,071		3,071
Tax benefit on nonqualifying disposition of incentive stock options	87		87
Distribution to noncontrolling interest partners	(918)					(918)
Net income (loss)	318,047			316,041		2,006
Other comprehensive loss, net of tax	(70)				(70)
Balance at May. 28, 2016	917,361	$ (22,272)	46,404	890,440	(48)	2,086	$ 703	$ 48
Balance (in shares) at May. 28, 2016		26,524					70,261	4,800
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative adjustment to restricted stock compensation from the adoption of ASU 2016-09	0		174	(174)
Issuance of restricted stock from treasury, net of forfeitures	0	$ 73	(73)
Issuance of restricted stock from treasury, net of forfeitures (in shares)		(80)
Purchase of company stock - shares withheld to satisfy withholding obligation in connection with the vesting of restricted stock	(1,715)	$ (1,715)
Purchase of company stock - shares withheld to satisfy withholding obligation in connection with the vesting of restricted stock (in shares)		40
Restricted stock compensation expense	3,427		3,427
Reclass of equity portion of American Egg Products in connection with Foodonics' acquisition	0			58		(58)
Distribution to noncontrolling interest partners	(73)					(73)
Net income (loss)	(74,427)			(74,278)		(149)
Other comprehensive loss, net of tax	(80)				(80)
Balance at Jun. 03, 2017	$ 844,493	$ (23,914)	$ 49,932	$ 816,046	$ (128)	$ 1,806	$ 703	$ 48
Balance (in shares) at Jun. 03, 2017		26,484					70,261	4,800