Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 30, 2017
Revenue From Contract With Customer [Line Items]
Revenue, performance obligation, description of good or service	We are a supplier of replacement parts and fasteners for passenger cars, light trucks, and heavy duty trucks in the automotive aftermarket. We group our products into four major classes: power-train, automotive body, chassis, and hardware.
Revenue, performance obligation, description of warranty	We warrant our products against certain defects in material and workmanship when used as designed on the vehicle on which it was originally installed. We offer a limited lifetime warranty on most of our products. Our warranty limits the customer’s remedy to the repair or replacement of the part that is defective.
Maximum credit terms allow to customers	1 year
Revenue, performance obligation satisfy, transfer of control goods or sevices, description	We identify the transaction price as the amount of consideration including variable consideration that we expect to be entitled in exchange for transferring control of goods and/or services to our customers.
Revenue, performance obligation satisfy, method of base, description	We allocate the transaction price to each performance obligation on the basis of the amount of consideration to which we expect to be entitled in exchange for satisfying each performance obligation.
Revenue, performance obligation, description of timing	We recognize revenue when the risk, and title, and control transfers, collectability is reasonably assured, and the pricing is fixed or determinable.
Revenue, performance obligation, description of payment terms	A receivable is recorded when our right to consideration is unconditional and only the passage of time is required before payment of that consideration is due.
Contract assets	$ 0	$ 0
Contract liabilities	$ 0	$ 0
Maximum [Member]
Revenue From Contract With Customer [Line Items]
Customer purchase order duration of contract	1 year
Revenue, remaining performance obligations for contract, initial term	1 year
Customer pays for good or service future duration	1 year
Expense costs to obtain as incurred, expected period of benefie, amortization period	1 year