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Income Taxes Income tax disclosure (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Income from continuing operations before taxes consisted of the following (in thousands): 
Year Ended December 31,
 202320222021
United States$(136,980)$(135,646)$81,484 
Foreign58,681 21,237 41,702 
 $(78,299)$(114,409)$123,186 
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
The provision (benefit) for income taxes consisted of the following (in thousands):
Year Ended December 31,
 202320222021
Current:   
Federal$(8,235)$4,128 $20,646 
State5,035 3,799 3,444 
Foreign26,035 12,924 7,236 
 $22,835 $20,851 $31,326 
Deferred:   
Federal$(43,042)$(42,012)$(8,154)
State(14,657)(11,239)(1,815)
Foreign(13,780)(7,723)(1,306)
 (71,479)(60,974)(11,275)
 $(48,644)$(40,123)$20,051 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
A reconciliation of the provision for income taxes at the statutory rate to our effective tax rate is as follows (dollars in thousands):
Year Ended December 31,
 202320222021
 AmountPercentAmountPercentAmountPercent
Federal tax at the expected statutory rate$(16,443)21.0 %$(24,026)21.0 %$25,869 21.0 %
State income tax, net of federal effect(6,057)7.7 %(5,050)4.4 %2,907 2.4 %
Tax credits(9,824)12.5 %(3,636)3.2 %(2,443)(2.0)%
Global intangible low-taxed income(2,658)3.4 %2,303 (2.0)%711 0.6 %
Foreign income tax differential(2,506)3.2 %(2,943)2.5 %(2,983)(2.4)%
Stock-based compensation(289)0.4 %(3,721)3.2 %(4,263)(3.5)%
Foreign-derived intangible income(3,299)4.2 %(2,269)2.0 %(3,775)(3.1)%
Transaction cost— — %2,299 (2.0)%— — %
Contingent consideration(3,407)4.4 %(6,830)6.0 %(29)— %
Section 162(m)3,268 (4.2)%3,942 (3.4)%1,812 1.5 %
Tax reserve releases(6,884)8.8 %(1,834)1.6 %— — %
Other(545)0.7 %1,642 (1.4)%2,245 1.8 %
 $(48,644)62.1 %$(40,123)35.1 %$20,051 16.3 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
The components of our deferred income tax assets (liabilities) are as follows (in thousands):
As of December 31,
 20232022
Deferred tax asset:  
Accruals/other$30,190 $17,351 
Acquired future tax deductions10,877 14,186 
Stock-based compensation6,987 6,240 
Foreign currency translation adjustments— — 
Tax credits15,095 12,906 
Inventory reserves25,592 25,100 
Warranty reserve13,788 13,241 
Section 163(j) - interest expense limitation25,467 9,166 
Chargebacks, discounts, customer concessions39,077 39,508 
Capitalized research and development43,313 16,587 
Valuation allowance(8,452)(11,166)
 $201,934 $143,119 
Deferred tax liability:  
State income taxes$4,465 $1,816 
Depreciation and amortization212,429 226,274 
Section 481(a) adjustment - change in accounting method— — 
Foreign currency translation and derivative instrument adjustments3,630 9,581 
$220,524 $237,671 
Deferred tax (liability) asset, net$(18,590)$(94,552)
Summary of Income Tax Contingencies [Table Text Block]
The following table summarizes our cumulative gross unrecognized tax benefits (in thousands): 
Year Ended December 31,
 202320222021
Beginning balance$54,053 $21,537 $18,443 
Increases to prior year tax positions2,347 148 231 
Increases due to acquisitions— 29,606 — 
Increases to current year tax positions34,607 4,706 3,242 
Decreases to prior year tax positions(2,455)(222)— 
Decrease related to lapse of statute of limitations(9,591)(1,722)(31)
Decrease related to settlements with tax authorities(403)— (348)
Ending balance$78,558 $54,053 $21,537