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Note 2 - Acquisitions - Preliminary Price Allocation (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 01, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Goodwill | $ 1,174,315 |  | $ 855,228
Acquisition of Deep Sea [Member] |  |  |
Accounts receivable | 9,574 |  |
Inventories | 9,970 |  |
Prepaid expenses and other assets | 826 |  |
Property and equipment | 8,838 |  |
Intangible assets | 171,437 |  |
Goodwill | 263,287 | $ 263,287 |
Other assets | 3,414 |  |
Total assets acquired | 467,346 |  |
Accounts payable | 8,254 |  |
Accrued wages and employee benefits | 2,106 |  |
Other accrued liabilities | 3,641 |  |
Short-term borrowings | 0 |  |
Current portion of long-term debt | 0 |  |
Deferred income taxes | 32,545 |  |
Long-term debt | 0 |  |
Other long-term liabilities | 100 |  |
Net assets acquired | 420,700 |  |
All Other 2021 Acquisitions [Member] |  |  |
Accounts receivable | 13,478 |  |
Inventories | 4,522 |  |
Prepaid expenses and other assets | 1,146 |  |
Property and equipment | 413 |  |
Intangible assets | 62,472 |  |
Goodwill | 79,239 |  |
Other assets | 4,750 |  |
Total assets acquired | 166,020 |  |
Accounts payable | 4,066 |  |
Accrued wages and employee benefits | 788 |  |
Other accrued liabilities | 1,903 |  |
Short-term borrowings | 833 |  |
Current portion of long-term debt | 233 |  |
Deferred income taxes | 13,981 |  |
Long-term debt | 1,672 |  |
Other long-term liabilities | 5,197 |  |
Net assets acquired | $ 137,347 |  |
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 |  |  | 40,395
Other assets |  |  | 1,122
Total assets acquired |  |  | 77,914
Accounts payable |  |  | 4,088
Accrued wages and employee benefits |  |  | 700
Other accrued liabilities |  |  | 2,151
Short-term borrowings |  |  | 0
Current portion of long-term debt |  |  | 0
Deferred income taxes |  |  | 3,827
Long-term debt |  |  | 0
Other long-term liabilities |  |  | 2,208
Net assets acquired |  |  | $ 64,940

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