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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Cash flows from operating activities:    
Net Income (Loss) $ 258,781 $ 333,786
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 140,381 136,549
Deferred income taxes (8,368) (21,469)
Stock-based compensation expense 16,900 11,026
Other non-cash adjustments 179 1,645
Changes in assets and liabilities, net of assets acquired and liabilities assumed:    
Receivables 136,636 108,561
Inventories (126,707) 101,745
Contract assets (7,638) 7,583
Other current assets (7,048) 8,143
Other assets and liabilities (16,664) 1,734
Accounts payable 143,616 139,545
Accrued liabilities (222,715) (174,994)
Contract liabilities 9,834 527
Net cash provided by operating activities 317,187 654,381
Cash flows from investing activities:    
Cash used for acquisitions (58,705) (78,970)
Purchases of property, plant and equipment (93,212) (105,645)
Proceeds from sale of property, plant and equipment 3,567 5,755
Cash used for equity investments (2,686)  
Net cash used in investing activities (151,036) (178,860)
Cash flows from financing activities:    
Borrowings under revolving credit facility 422,000 801,000
Repayments under revolving credit facility (886,000) (584,000)
Proceeds from long-term debt and other loans 1,000,000  
Repayments of long-term debt and other loans (879) (1,048)
Payments of loan costs (12,529) (1,180)
Payment of acquisition-related deferred and contingent consideration (8,900)  
Tax withholdings on and exercises of equity awards (31,723) (22,538)
Repurchase of common stock (16,801) (603,793)
Net cash provided by (used in) financing activities 465,168 (411,559)
Net change in cash and cash equivalents 631,319 63,962
Cash and cash equivalents at beginning of period 66,156 80,445
Cash and cash equivalents at end of period 697,475 144,407
Supplemental disclosures of cash flow information:    
Cash paid for interest 51,628 50,309
Cash paid for income taxes 2,747 3,548
Supplemental disclosures of non-cash activities:    
Non-cash or accrued consideration for acquisitions 279 5,600
Accrued purchases of property, plant and equipment 6,395 3,991
Right-of-use assets obtained in exchange for operating lease obligations 29,719 20,869
Amounts accrued related to repurchases of common stock $ 2,800 $ 68,262