Note 9 (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Sep. 28, 2019 USD ($)
Number of Reportable Segments			3
Revenue from Contract with Customer, Including Assessed Tax	$ 214,563,000	$ 326,701,000	$ 769,502,000	$ 874,615,000
Operating Income (Loss), Total	$ (19,420,000)	$ 39,042,000	$ 13,265,000	$ 85,895,000
MARYB's Biscuit Operations [Member]
Revenue from Contract with Customer, Including Assessed Tax					$ 25,316,000
Operating Income (Loss), Total					$ 1,584,000