Nature of Operations and Basis of Presentation (Details) $ in Millions	12 Months Ended
	Dec. 28, 2019 USD ($) store
Stores [Member]
Nature of Operations and Basis of Presentation [Line Items]
Number of Stores	4,877
Branches [Member]
Nature of Operations and Basis of Presentation [Line Items]
Number of Stores	160
Independently-owned Carquest store locations [Member]
Nature of Operations and Basis of Presentation [Line Items]
Number of Stores	1,253
Cost of Sales [Member]
Nature of Operations and Basis of Presentation [Line Items]
Quantifying Misstatement in Current Year Financial Statements, Amount | $	$ 13.0