CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Sep. 26, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 167,005	$ 49,436
Accounts receivable, less allowance for doubtful accounts of $1,993 and $1,948	628,402	479,252
Inventories	787,358	959,019
Prepaids and other current assets	40,661	33,819
Total current assets	1,623,426	1,521,526
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization	165,365	168,777
Operating lease right-of-use assets	99,938	112,805
Goodwill	387,334	387,334
Intangible assets, net	241,367	257,079
Other assets	41,414	45,557
Total assets	2,558,844	2,493,078
Current liabilities:
Accounts payable	180,169	185,125
Accrued compensation	26,182	30,756
Accrued customer rebates and returns	182,560	197,398
Current portion of long-term debt	0	37,500
Other accrued liabilities	55,659	42,048
Total current liabilities	444,570	492,827
Long-term debt	440,717	402,413
Long-term operating lease liabilities	82,685	96,568
Deferred tax liabilities	4,215	3,977
Other long-term liabilities	21,709	20,218
Commitments and contingencies (Note 7)
Shareholders’ equity:
Common stock, $0.01 par value; 50,000,000 shares authorized; 29,574,883 and 30,391,955 shares issued and outstanding in 2026 and 2025, respectively	296	304
Additional paid-in capital	148,857	137,109
Retained earnings	1,420,768	1,344,183
Accumulated other comprehensive loss	(4,973)	(4,521)
Total shareholders’ equity	1,564,948	1,477,075
Total liabilities and shareholders' equity	$ 2,558,844	$ 2,493,078

Accrued customer rebates and returns.

No definition available.

Name:	dorm_AccruedCustomerRebatesAndReturns
Namespace Prefix:	dorm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).