Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue	$ 2,784,156	$ 2,661,161	$ 2,424,706
Cost of services and products	2,215,714	2,175,667	2,025,735
Gross Margin	568,442	485,494	398,971
Selling, general and administrative expense	263,890	239,224	217,643
Income from Operations	304,552	246,270	181,328
Interest income	14,483	12,124	15,425
Interest expense, net of amounts capitalized	(36,977)	(37,917)	(36,523)
Equity earnings of unconsolidated affiliates	1,046	929	2,061
Other Nonoperating Expense	2,796	3,510	(1,236)
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax	285,900	224,916	161,055
Income Tax Expense (Benefit)	(67,861)	77,448	63,652
Net Income	$ 353,761	$ 147,468	$ 97,403
Basic Earnings per Share	$ 3.53	$ 1.46	$ 0.97
Weighted Average Number of Shares Outstanding, Basic	100,222	101,180	100,697
Diluted Earnings per Share	$ 3.49	$ 1.44	$ 0.95
Weighted Average Number of Shares Outstanding, Diluted	101,262	102,369	102,156