Benefit Plans - Components of Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Components of net periodic benefit cost (income) [Abstract]
Settlement charge	$ 0	$ 0	$ 11,642
Net periodic benefit (income) cost	(3,168)	(1,903)	(3,013)
Pension Benefits
Components of net periodic benefit cost (income) [Abstract]
Interest cost	1,450	1,272	3,260
Expected return on plan assets	(3,568)	(3,671)	(5,704)
Amortization of net loss (gain)	897	1,536	2,305
Settlement charge	0	0	11,642
Service cost	0	0
Net periodic benefit (income) cost	(1,221)	(863)	11,503
Other Benefits
Components of net periodic benefit cost (income) [Abstract]
Interest cost	346	281	430
Amortization of net loss (gain)	(220)	(103)	(193)
Service cost	291	258	212
Amortization of prior service credit	(198)	(470)	(519)
Curtailment gain	(1,756)	0	(2,591)
Net periodic benefit (income) cost	$ (1,537)	$ (34)	$ (2,661)