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ACQUISITIONS (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2017 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Inventory Step Up |  |  |  | $ 1,609 | $ 1,399 |  |  |  |  |  |  |  | $ 4,578
Acquisition Transaction and Integration Costs |  |  |  |  | 1,014 | $ 790 | $ 833 | $ 970 | $ 788 | $ 1,907 | $ 1,804 | $ 4,498 | 15,002
Annual sales at the date of acquisition |  |  | $ 736,307 | $ 730,783 | $ 777,008 | $ 759,174 | $ 743,827 | $ 737,099 | $ 790,052 | 757,696 | 3,003,272 | 3,028,674 | 2,624,431
Business Combination, Bargain Purchase, Gain Recognized, Amount |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 49,650
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  | 134,717 | $ 101,792 | 72,468
Finite-lived Intangible Assets Acquired |  |  |  |  |  |  |  |  |  |  | $ 50,070 |  |
Business Combination Receivable From Seller |  |  |  |  |  |  |  |  |  | $ 10,983 |  |  |
Air Liquide Welding [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Agreed Upon Purchase Price |  | $ 135,123 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  | 89,442 |  |  |  |  |  |  |  |  |  |  |
Annual sales at the date of acquisition |  |  |  |  |  |  |  |  |  |  |  |  | 182,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory | [1] | 97,803 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | [2] | 73,056 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | [3] | 11,715 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |  | (65,640) |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Pension Liability |  | (67,563) |  |  |  |  |  |  |  |  |  |  |
Business Combination, Bargain Purchase, Gain Recognized, Amount |  | 49,650 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Other Assets Acquired and Other Liabilities Assumed, Net | [4] | (27,210) |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | [5] | $ 61,953 |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived Intangible Assets Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 7,099
Other Intangible Assets | Air Liquide Welding [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 3,433
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 9 years |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names | Air Liquide Welding [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,183
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 10 years |  |  |  |  |  |  |  |  |  |  |
[1] | Inventories acquired were sold in 2017 resulting in a $4,578 increase in cost of sales for the amortization of step up in the value of acquired inventories.
[2] | Property, plant and equipment acquired includes a number of manufacturing and distribution sites, including the related facilities, land and leased sites, and machinery and equipment for use in manufacturing operations.
[3] | $7,099 of the intangible asset balance was assigned to a trade name. Of the remaining amount, $1,183 was assigned to a finite-lived trade name (10 year weighted average useful life) and $3,433 was assigned to other intangible assets (9 year weighted average life).
[4] | Consists primarily of other accrued liabilities.
[5] | Reflects a receivable from seller for an agreed upon purchase price adjustment. The payment of $10,983 was received in the first quarter of 2018.

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