Benefit Plans - Amounts Recognized in Accumulated OCI (Before the Effect of Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized net actuarial loss (gain)	$ 7,728	$ 2,870
Unrecognized prior service credit	0	0
Other Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized net actuarial loss (gain)	(3,863)	(4,149)
Unrecognized prior service credit	$ (5)	$ (19)