Schedule II - Valuation and Qualifying Accounts Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 26, 2020

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation of Qualifying Accounts [Table Text Block]

		Balance at Beginning of Year			Additions Charged to Income		Deductions From Reserves		Balance at End of Year
	(Amounts are in thousands)
2020
Reserves not deducted from assets:
Self-insurance reserves:
Current			$	149,082		396,185		384,044		161,223
Noncurrent			226,727			9,131		—		235,858
			$	375,809		405,316		384,044		397,081
2019
Reserves not deducted from assets:
Self-insurance reserves:
Current			$	145,241		398,336		394,495		149,082
Noncurrent			222,419			4,308		—		226,727
			$	367,660		402,644		394,495		375,809
2018
Reserves not deducted from assets:
Self-insurance reserves:
Current			$	137,100		403,598		395,457		145,241
Noncurrent			218,598			3,821		—		222,419
			$	355,698		407,419		395,457		367,660