Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v3.23.2
Business Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Segment Reporting Information [Line Items]        
Revenues $ 327,074 $ 577,397 $ 598,116 $ 1,051,399
(Gain) loss on derivatives (424) (1,067) (261) 555
Interest expense, net of interest income 6,251 4,686 10,604 8,639
Depreciation and amortization of intangible assets 15,589 12,851 29,440 25,508
Income before taxes, excluding unallocated corporate activity 25,549 55,478 45,446 92,992
U.S. Regions        
Segment Reporting Information [Line Items]        
Revenues 138,985 397,385 263,354 711,905
U.S. Federal        
Segment Reporting Information [Line Items]        
Revenues 80,019 101,428 139,575 177,074
Canada        
Segment Reporting Information [Line Items]        
Revenues 15,195 14,461 33,606 31,633
Alternative Fuels        
Segment Reporting Information [Line Items]        
Revenues 30,316 29,192 58,655 58,453
All Other        
Segment Reporting Information [Line Items]        
Revenues 62,559 34,931 102,926 72,334
Operating Segments | U.S. Regions        
Segment Reporting Information [Line Items]        
Revenues 138,985 397,385 263,354 711,905
(Gain) loss on derivatives (125) (261) (428) (34)
Interest expense, net of interest income 1,715 1,883 3,118 3,525
Depreciation and amortization of intangible assets 6,704 5,298 12,753 10,576
Income before taxes, excluding unallocated corporate activity 10,284 32,840 18,240 51,058
Operating Segments | U.S. Federal        
Segment Reporting Information [Line Items]        
Revenues 80,019 101,428 139,575 177,074
(Gain) loss on derivatives 66 0 4 0
Interest expense, net of interest income 288 315 586 621
Depreciation and amortization of intangible assets 1,234 1,213 2,459 2,458
Income before taxes, excluding unallocated corporate activity 8,887 12,011 14,099 20,897
Operating Segments | Canada        
Segment Reporting Information [Line Items]        
Revenues 15,195 14,461 33,606 31,633
(Gain) loss on derivatives 39 45 47 96
Interest expense, net of interest income 182 313 364 535
Depreciation and amortization of intangible assets 409 430 814 877
Income before taxes, excluding unallocated corporate activity 1,189 1,012 1,921 1,291
Operating Segments | Alternative Fuels        
Segment Reporting Information [Line Items]        
Revenues 30,316 29,192 58,655 58,453
(Gain) loss on derivatives (404) (851) 116 493
Interest expense, net of interest income 3,436 2,193 5,787 3,983
Depreciation and amortization of intangible assets 6,205 5,651 12,073 11,067
Income before taxes, excluding unallocated corporate activity 3,110 6,476 6,625 13,898
Operating Segments | All Other        
Segment Reporting Information [Line Items]        
Revenues 62,559 34,931 102,926 72,334
(Gain) loss on derivatives 0 0 0 0
Interest expense, net of interest income 630 (18) 749 (25)
Depreciation and amortization of intangible assets 1,037 259 1,341 530
Income before taxes, excluding unallocated corporate activity 2,079 3,139 4,561 5,848
Unallocated corporate activity        
Segment Reporting Information [Line Items]        
Unallocated corporate activity $ (17,131) $ (17,673) $ (35,974) $ (33,582)