Revenue Recognition - Concentration Risk (Details)	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Product Information [Line Items]
Concentration risk (as a percent)	100.00%	100.00%	100.00%
Grocery [Member] | Revenue from Contract with Customer Benchmark [Member] | Product Concentration Risk [Member]
Product Information [Line Items]
Concentration risk (as a percent)	86.10%	88.20%	86.60%
Pharmacy [Member] | Revenue from Contract with Customer Benchmark [Member] | Product Concentration Risk [Member]
Product Information [Line Items]
Concentration risk (as a percent)	9.40%	8.70%	9.50%
Fuel, Product [Member] | Revenue from Contract with Customer Benchmark [Member] | Product Concentration Risk [Member]
Product Information [Line Items]
Concentration risk (as a percent)	4.30%	2.90%	3.60%
Manufacturing [Member] | Revenue from Contract with Customer Benchmark [Member] | Product Concentration Risk [Member]
Product Information [Line Items]
Concentration risk (as a percent)	0.20%	0.20%	0.30%