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Income Taxes Income tax disclosure (Tables) | 12 Months Ended
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Dec. 31, 2021
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,
|  | 2021 |  | 2020 |  | 2019
United States |  | $ | 81,484 |  |  | $ | 41,194 |  |  | $ | 32,849 |
Foreign |  | 41,702 |  |  | 56,300 |  |  | 81,858 |
|  | $ | 123,186 |  |  | $ | 97,494 |  |  | $ | 114,707 |
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,
|  | 2021 |  | 2020 |  | 2019
Current: |  |  |  |  |  |
Federal |  | $ | 20,646 |  |  | $ | 6,032 |  |  | $ | 6,851 |
State |  | 3,444 |  |  | 2,422 |  |  | 2,532 |
Foreign |  | 7,236 |  |  | 7,290 |  |  | 7,994 |
|  | $ | 31,326 |  |  | $ | 15,744 |  |  | $ | 17,377 |
Deferred: |  |  |  |  |  |
Federal |  | $ | (8,154) |  |  | $ | (5,319) |  |  | $ | (6,720) |
State |  | (1,815) |  |  | (1,850) |  |  | (325) |
Foreign |  | (1,306) |  |  | 2,049 |  |  | 3,340 |
|  | (11,275) |  |  | (5,120) |  |  | (3,705) |
|  | $ | 20,051 |  |  | $ | 10,624 |  |  | $ | 13,672 |
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,
|  | 2021 |  | 2020 |  | 2019
|  | Amount |  | Percent |  | Amount |  | Percent |  | Amount |  | Percent
Federal tax at the expected statutory rate |  | $ | 25,869 |  |  | 21.0 | % |  | $ | 20,474 |  |  | 21.0 | % |  | $ | 24,088 |  |  | 21.0 | %
State income tax, net of federal effect |  | 2,907 |  |  | 2.4 | % |  | 2,099 |  |  | 2.2 | % |  | 1,269 |  |  | 1.1 | %
Tax credits |  | (2,443) |  |  | (2.0) | % |  | (3,269) |  |  | (3.4) | % |  | (2,896) |  |  | (2.5) | %
Global intangible low-taxed income |  | 711 |  |  | 0.6 | % |  | 163 |  |  | 0.2 | % |  | 6,634 |  |  | 5.8 | %
Foreign income tax differential |  | (2,983) |  |  | (2.4) | % |  | (3,888) |  |  | (4.0) | % |  | (5,939) |  |  | (5.2) | %
Stock-based compensation |  | (4,263) |  |  | (3.5) | % |  | (4,686) |  |  | (4.8) | % |  | (8,446) |  |  | (7.4) | %
Foreign-derived intangible income |  | (3,775) |  |  | (3.1) | % |  | (2,718) |  |  | (2.8) | % |  | (516) |  |  | (0.5) | %
IP installment sale and repatriation |  | — |  |  | — | % |  | — |  |  | — | % |  | (2,118) |  |  | (1.8) | %
Contingent consideration |  | (29) |  |  | — | % |  | 1,566 |  |  | 1.6 | % |  | — |  |  | — | %
Section 162(m) |  | 1,812 |  |  | 1.5 | % |  | 1,079 |  |  | 1.1 | % |  | 203 |  |  | 0.2 | %
Other |  | 2,245 |  |  | 1.8 | % |  | (196) |  |  | (0.2) | % |  | 1,393 |  |  | 1.2 | %
|  | $ | 20,051 |  |  | 16.3 | % |  | $ | 10,624 |  |  | 10.9 | % |  | $ | 13,672 |  |  | 11.9 | %
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,
|  | 2021 |  | 2020
Deferred tax asset: |  |  |  |
Accruals/other |  | $ | 6,866 |  |  | $ | 4,406 |
Acquired future tax deductions |  | 5,440 |  |  | 7,781 |
Stock-based compensation |  | 7,283 |  |  | 7,138 |
Foreign currency translation adjustments |  | 3,360 |  |  | 2,406 |
Tax credits |  | 11,953 |  |  | 12,444 |
Inventory reserves |  | 8,199 |  |  | 8,493 |
Allowance for doubtful accounts |  | 926 |  |  | 4,460 |
Accrued restructuring |  | 131 |  |  | 1,293 |
Chargebacks, discounts, customer concessions |  | 27,970 |  |  | 22,874 |
Valuation allowance |  | (2,934) |  |  | (3,891) |
|  | $ | 69,194 |  |  | $ | 67,404 |
Deferred tax liability: |  |  |  |
State income taxes |  | $ | 2,724 |  |  | $ | 2,398 |
Foreign |  | — |  |  | 776 |
Depreciation and amortization |  | 20,483 |  |  | 25,113 |
Section 481(a) adjustment - change in accounting method |  | 4,873 |  |  | 9,746 |
|  | $ | 28,080 |  |  | $ | 38,033 |
Deferred tax asset, net |  | $ | 41,114 |  |  | $ | 29,371 |
Summary of Income Tax Contingencies [Table Text Block] | The following table summarizes our cumulative gross unrecognized tax benefits (in thousands):
|  | Year Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Beginning balance |  | $ | 18,443 |  |  | $ | 15,027 |  |  | $ | 10,824 |
Increases to prior year tax positions |  | 231 |  |  | 502 |  |  | 138 |
Increases to current year tax positions |  | 3,242 |  |  | 2,987 |  |  | 4,231 |
Decreases to prior year tax positions |  | — |  |  | (15) |  |  | (3) |
Decrease related to lapse of statute of limitations |  | (31) |  |  | (58) |  |  | (163) |
Decrease related to settlements with tax authorities |  | (348) |  |  | — |  |  | — |
Ending balance |  | $ | 21,537 |  |  | $ | 18,443 |  |  | $ | 15,027 |

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- Definition Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319 + Details
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