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ACQUISITIONS (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 31, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Acquisitions |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory |  |  | $ 2,314 |  |  |
Sales Revenue, Goods, Net |  |  | 669,491 | $ 567,646 | $ 1,877,246 | $ 1,710,786
Business Combination, Bargain Purchase, Gain Recognized, Amount |  |  | (51,585) | 0 | (51,585) | 0
Special Items Charge (Gain) |  |  | (40,715) | $ 0 | (32,602) | 34,348
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  | 72,468 | $ 71,567
Air Liquide Welding [Member] |  |  |  |  |  |
Acquisitions |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  | $ 89,710 |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  | 7,099 |  |  |  |
Sales Revenue, Goods, Net |  |  | 63,000 |  | 400,000 |
Business Combination, Bargain Purchase, Gain Recognized, Amount |  |  | (51,585) |  |  |
Business Combination, Recognized Identifiable Other Assets Acquired and Other Liabilities Assumed, Net | [1] | (20,998) |  |  |  |
Business Combination, Consideration Transferred |  | 135,123 |  |  |  |
Special Items Charge (Gain) |  |  |  |  | $ 11,386 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 72,468 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory | [2] | 98,529 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | [3] | 79,619 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | [4] | 11,715 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |  | (66,959) |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Pension Liability |  | $ (67,563) |  |  |  |
Trademarks and Trade Names [Member] | Air Liquide Welding [Member] |  |  |  |  |  |
Acquisitions |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 10 years |  |  |  |
Other Intangible Assets, Net |  | $ 1,183 |  |  |  |
Other Intangible Assets [Member] | Air Liquide Welding [Member] |  |  |  |  |  |
Acquisitions |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 9 years |  |  |  |
Other Intangible Assets, Net |  | $ 3,433 |  |  |  |
[1] | Consists primarily of other accrued liabilities.
[2] | A portion of inventories acquired were sold in the third quarter of 2017 resulting in a $2,314 increase in cost of sales for the amortization of step up in the value of acquired inventories.
[3] | 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.
[4] | $7,099 of the intangible asset balance was assigned to a trade name expected to have an indefinite life. 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).

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