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v3.20.1

Consolidated Statements of Income - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 28, 2020 | Mar. 30, 2019
Revenue | $ 927,566 | $ 1,033,000
Investment income | 1,167 | 1,138
Costs and expenses: |  |
Purchased transportation | 709,257 | 791,755
Commissions to agents | 75,376 | 85,671
Other operating costs, net of gains on asset sales/dispositions | 8,306 | 8,239
Insurance and claims | 24,957 | 14,993
Selling, general and administrative | 45,327 | 41,268
Depreciation and amortization | 11,505 | 11,316
Total costs and expenses | 874,728 | 953,242
Operating income | 54,005 | 80,896
Interest and debt expense | 952 | 805
Income before income taxes | 53,053 | 80,091
Income taxes | 12,158 | 16,791
Net income | 40,895 | 63,300
Less: Net loss attributable to noncontrolling interest |  | (17)
Net income attributable to Landstar System, Inc. and subsidiary | $ 40,895 | $ 63,317
Earnings per common share attributable to Landstar System, Inc. and subsidiary | $ 1.04 | $ 1.58
Diluted earnings per share attributable to Landstar System, Inc. and subsidiary | $ 1.04 | $ 1.58
Average number of shares outstanding: |  |
Earnings per common share | 39,254,000 | 40,161,000
Diluted earnings per share | 39,254,000 | 40,166,000
Dividends per common share | $ 0.185 | $ 0.165

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration