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RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | $ 0 | $ (5) | $ 0 | $ 1,197
Facility Closing | Restructuring Activity 2017 |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  |  | 7,300 |
Restructuring reserve | $ 3,300 |  | 3,300 |
United States and Europe | Employee Severance |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  |  | $ 1,700 |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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