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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2024
Income Tax Disclosure [Abstract]  
Income (Loss) Before Income Taxes
Income before income tax expense (benefit) for the years ended December 31, 2024, 2023 and 2022 was derived from the following sources:

(In thousands)202420232022
Domestic$(239,773)$(457,888)$(272,365)
Foreign561,825 630,558 519,445 
Income before income tax expense (benefit)$322,052 $172,670 $247,080 
Components of Income Tax Expense
Income tax expense (benefit) for the years ended December 31, 2024, 2023 and 2022 is summarized as follows:
(In thousands)202420232022
Current:
Federal$14,786 $10,835 $39,216 
State896 1,267 4,077 
Foreign91,552 125,091 97,611 
$107,234 $137,193 $140,904 
Deferred (net of valuation allowance):
Federal$(73,952)$(135,408)$(90,238)
State(3,225)(5,829)(5,749)
Foreign(1,725)(4,369)(6,757)
$(78,902)$(145,606)$(102,744)
Income tax expense (benefit)$28,332 $(8,413)$38,160 
Reconciliation of Income Tax Expense With Expected Amounts Based Upon Statutory Federal Tax Rates
Income tax expense (benefit) differs from the expected amounts based upon the statutory federal tax rates for the years ended December 31, 2024, 2023 and 2022 as follows:
(In thousands)202420232022
Expected federal income tax at statutory rate$66,657 $36,261 $51,887 
State income taxes before valuation allowance, net of federal tax effect(6,169)(9,374)(5,907)
Effect of foreign source income(25,685)(18,383)(7,607)
Tax contingencies(2,271)11,048 5,762 
Valuation allowance11,501 9,032 8,052 
U.S. federal research credit(14,250)(18,679)(13,525)
Equity compensation5,386 7,431 5,290 
Foreign derived intangible income(7,861)(5,144)(15,265)
Acquisition related retention, severance, and transaction costs— — 8,924 
Legal entity divestiture activity973 (20,311)— 
Other items, net51 (294)549 
Income tax expense (benefit) $28,332 $(8,413)$38,160 
Deferred Tax Assets And Deferred Tax Liabilities
The significant components of the Company’s deferred tax assets and deferred tax liabilities at December 31, 2024 and 2023 are as follows:
(In thousands)20242023
Deferred tax assets attributable to:
Accounts receivable$1,307 $1,304 
Inventory11,891 12,456 
Accruals not currently deductible for tax purposes11,984 16,341 
Net operating loss and credit carryforwards69,461 55,685 
Capital loss carryforward7,542 5,281 
Equity compensation10,701 11,382 
Interest expense limitations51,429 37,691 
Capitalization of engineering, research and development expenses134,398 100,832 
Other, net6,298 15,064 
Gross deferred tax assets$305,011 $256,036 
Valuation allowance(71,785)(60,330)
Net deferred tax assets$233,226 $195,706 
Deferred tax liabilities attributable to:
Purchased intangible assets$(215,906)$(230,550)
Depreciation and amortization(24,853)(44,007)
Total deferred tax liabilities$(240,759)$(274,557)
Net deferred tax liabilities$(7,533)$(78,851)
Schedule of Unrecognized Tax Benefits Roll Forward
Reconciliations of the beginning and ending balances of the total amounts of gross unrecognized tax benefits for the years ended December 31, 2024 and 2023 are as follows:
(In thousands)20242023
Gross unrecognized tax benefits at beginning of year$67,717 $53,478 
Increase in tax positions from prior years305 242 
Decrease in tax positions from prior years(4,818)— 
Increases in tax positions for current year5,455 17,111 
Settlement of tax positions for current year(21,570)— 
Lapse in statute of limitations(2,765)(3,114)
Gross unrecognized tax benefits at end of year$44,324 $67,717