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Note 2 - Acquisitions - Preliminary Price Allocation (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Goodwill | $ 1,109,908 | $ 855,228
The 2021 Acquisitions [Member] |  |
Accounts receivable | 9,574 |
Inventories | 7,572 |
Prepaid expenses and other assets | 826 |
Property and equipment | 8,838 |
Intangible assets | 172,145 |
Goodwill | 264,975 |
Other assets | 3,505 |
Total assets acquired | 467,435 |
Accounts payable | 8,254 |
Accrued wages and employee benefits | 2,106 |
Other accrued liabilities | 3,688 |
Deferred income tax liabilities | 32,545 |
Other long-term liabilities | 142 |
Net assets acquired | $ 420,700 |
The 2020 Acquisitions [Member] |  |
Accounts receivable |  | 5,094
Inventories |  | 3,575
Prepaid expenses and other assets |  | 858
Property and equipment |  | 635
Intangible assets |  | 26,235
Goodwill |  | 40,842
Other assets |  | 1,122
Total assets acquired |  | 78,361
Accounts payable |  | 4,088
Accrued wages and employee benefits |  | 700
Other accrued liabilities |  | 2,151
Deferred income tax liabilities |  | 4,134
Other long-term liabilities |  | 4,401
Net assets acquired |  | $ 62,887

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