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

12 Months Ended

Dec. 28, 2019

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)
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
2017
Reserves not deducted from assets:
Self-insurance reserves:
Current			$	139,554		342,451		344,905		137,100
Noncurrent			216,125			2,473		—		218,598
			$	355,679		344,924		344,905		355,698