Net Sales by Brand (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Brand
Net sales	$ 512,539	$ 371,197	$ 961,909	$ 783,931
Specific brand sale to total sale (as a percent)			3.00%
Green Giant - frozen
Brand
Net sales	105,837	87,657	$ 214,213	188,520
Spices and Seasonings
Brand
Net sales	68,492	61,012	120,287	124,238
Green Giant - shelf stable
Brand
Net sales	49,032	18,310	86,962	44,749
Ortega
Brand
Net sales	46,797	34,048	85,578	71,300
Clabber Girl
Brand
Net sales	26,453	8,401	45,132	8,401
Cream of Wheat
Brand
Net sales	17,985	11,678	36,911	29,088
Maple Grove Farms of Vermont
Brand
Net sales	18,044	17,778	36,485	35,675
Mrs. Dash
Brand
Net sales	20,839	14,427	35,338	29,635
Back To Nature
Brand
Net sales	14,004	16,003	27,582	32,665
All other brands
Brand
Net sales	$ 145,056	$ 101,883	$ 273,421	$ 219,660