Schedule of Debt (Parenthetical) (Detail)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Third Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Long term debt, due date	2025	2025
Revenue bonds, due in varying amounts periodically through 2029
Debt Instrument [Line Items]
Long term debt, due date	2029	2029
American & Foreign Power Company, Inc. 5% debentures, due 2030
Debt Instrument [Line Items]
Long term debt, due date	2030	2030
Long term debt, interest rate	5.00%	5.00%