v3.26.1
Segment Data, Operating Results by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Revenues $ 922,399 $ 855,455 $ 1,766,498 $ 1,641,114
Costs of sales and operating expenses 631,599 563,238 1,190,128 1,075,574
Taxes, other than on income 10,081 10,542 19,933 19,372
Depreciation and amortization 70,361 65,670 138,599 129,400
Earnings before taxes on income 118,407 123,928 223,111 224,271
General corporate expenses (4,304) (4,328) (11,085) (8,027)
Gain on disposition of assets 708 1,687 2,161 1,757
Operating income 122,357 131,846 230,030 237,392
Other income 7,027 4,812 14,308 10,146
Interest expense (10,977) (12,730) (21,227) (23,267)
Reportable Segments [Member]        
Segment Reporting Information [Line Items]        
Revenues 922,399 855,455 1,766,498 1,641,114
Costs of sales and operating expenses 631,179 563,120 1,189,287 1,076,335
Administrative payroll expense 42,979 41,584 90,853 87,750
Taxes, other than on income 10,058 10,515 19,886 19,320
Depreciation and amortization 68,315 63,864 134,605 125,855
Other segment items [1] 43,915 41,885 92,913 88,192
Earnings before taxes on income 125,953 134,487 238,954 243,662
KMT [Member]        
Segment Reporting Information [Line Items]        
Revenues 536,974 492,562 1,034,157 968,711
KMT [Member] | Reportable Segments [Member]        
Segment Reporting Information [Line Items]        
Revenues 536,974 492,562 1,034,157 968,711
Costs of sales and operating expenses 348,465 298,789 649,289 589,776
Administrative payroll expense 19,788 18,378 42,176 39,608
Taxes, other than on income 7,652 8,124 15,219 14,576
Depreciation and amortization 57,592 53,182 112,928 104,854
Other segment items [1] 15,675 15,037 37,088 34,261
Earnings before taxes on income 87,802 99,052 177,457 185,636
Distribution and Services Segment [Member]        
Segment Reporting Information [Line Items]        
Revenues 385,425 362,893 732,341 672,403
Distribution and Services Segment [Member] | Reportable Segments [Member]        
Segment Reporting Information [Line Items]        
Revenues 385,425 362,893 732,341 672,403
Costs of sales and operating expenses 282,714 264,331 539,998 486,559
Administrative payroll expense 23,191 23,206 48,677 48,142
Taxes, other than on income 2,406 2,391 4,667 4,744
Depreciation and amortization 10,723 10,682 21,677 21,001
Other segment items [1] 28,240 26,848 55,825 53,931
Earnings before taxes on income $ 38,151 $ 35,435 $ 61,497 $ 58,026
[1] Other segment items for each reportable segment includes:

KMT – selling expense, professional service expense, occupancy expense, and certain overhead expenses.

KDS – inventory-related expense, warranty expense, selling expense, professional service expense, occupancy expense, and certain overhead expenses.