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Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Components of Deferred Tax Assets [Abstract]    
Inventory $ 4,694 $ 4,649
Net operating losses 18,383 22,197
Capitalized research and development 4,173 5,187
Deferred compensation 2,563 2,240
Accounts receivable 3,147 2,784
Compensation and benefits 6,583 7,540
Accrued pension 3,930 5,348
Research and development credit 15,542 13,540
Convertible notes hedge 4,869 6,999
Deferred Tax Assets, Lease Liabilities 3,573 4,452
Other 5,741 6,793
Less: valuation allowances (786) (2,721)
Deferred Tax Assets, Net of Valuation Allowance 72,412 79,008
Components of Deferred Tax Liabilities [Abstract]    
Goodwill and intangible assets 106,065 104,119
Depreciation 2,546 2,512
State taxes 11,833 9,614
Unremitted foreign earnings 2,449 2,423
Convertible notes debt discount 4,915 7,060
Deferred Tax Liabilities, Leasing Arrangements 3,484 4,313
Deferred tax liabilities 131,292 130,041
Net liability $ (58,880) $ (51,033)