Significant Accounting Policies (Tables)

12 Months Ended

Dec. 26, 2020

Schedule of Disaggregation of Revenue

The following table summarizes (i) the percentage of consolidated revenue generated by mode of transportation and (ii) the total amount of truck transportation revenue hauled by BCO Independent Contractors and Truck Brokerage Carriers generated by equipment type during the fiscal years ended December 26, 2020, December 28, 2019 and December 29, 2018 (dollars in thousands):                

	Fiscal Years Ended
Mode	December 26, 2020			December 28, 2019			December 29, 2018
Truck – BCO Independent Contractors		45	%		45	%		43	%
Truck – Truck Brokerage Carriers		47	%		47	%		49	%
Rail intermodal		3	%		3	%		3	%
Ocean and air cargo carriers		3	%		3	%		3	%
Truck Equipment Type
Van equipment	$	2,515,940		$	2,371,188		$	2,791,494
Unsided/platform equipment	$	1,202,295		$	1,295,817		$	1,386,387
Less-than-truckload	$	97,546		$	98,324		$	102,531

Summary of Activity in Allowance for Doubtful Accounts

 Following is a summary of the activity in the allowance for doubtful accounts for fiscal years ending December 26, 2020, December 28, 2019 and December 29, 2018 (in thousands):

	Balance at Beginning of Period		Charged to Costs and Expenses		Write-offs, Net of Recoveries			Balance at End of Period
For the Fiscal Year Ended December 26, 2020
Trade receivables	$	7,284	$	6,121	$	(4,735	)	$	8,670
Other receivables		8,806		3,291		(3,698	)		8,399
Other non-current receivables		260		3		1			264
	$	16,350	$	9,415	$	(8,432	)	$	17,333
For the Fiscal Year Ended December 28, 2019
Trade receivables	$	6,413	$	4,309	$	(3,438	)	$	7,284
Other receivables		7,211		5,518		(3,923	)		8,806
Other non-current receivables		256		4		—			260
	$	13,880	$	9,831	$	(7,361	)	$	16,350
For the Fiscal Year Ended December 29, 2018
Trade receivables	$	6,131	$	3,886	$	(3,604	)	$	6,413
Other receivables		6,952		3,520		(3,261	)		7,211
Other non-current receivables		251		9		(4	)		256
	$	13,334	$	7,415	$	(6,869	)	$	13,880

Reconciliation of Average Number of Common Shares and Common Share Equivalents Outstanding

The following table provides a reconciliation of the average number of common shares outstanding used to calculate earnings per common share attributable to Landstar System, Inc. and subsidiary to the average number of common shares and common share equivalents outstanding used to calculate diluted earnings per share attributable to Landstar System, Inc. and subsidiary (in thousands):

	Fiscal Years
	2020		2019		2018
Average number of common shares outstanding		38,602		39,786		41,273
Incremental shares from assumed exercises of stock options		—		—		37
Average number of common shares and common share equivalents outstanding		38,602		39,786		41,310