Restructuring and Asset Impairment Charges	3 Months Ended
	Apr. 03, 2021
Restructuring and Related Activities [Abstract]
Restructuring and Asset Impairment Charges	Restructuring and Asset Impairment Charges In December 2020, due to unfavorable economics in the biodiesel industry, the Company made the decision to shut down processing operations at its biodiesel facilities located in the United States and Canada, and there are no current plans to resume biodiesel production at these facilities in the future. In addition to charges incurred in fiscal 2020, the Company has incurred additional restructuring and asset impairment charges related to the biodiesel facilities of approximately $0.8 million, with approximately $0.4 million of this amount being employee termination costs in Canada and the remainder representing charges to long-lived assets and other charges.