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Note 10 - Restructuring and Other Impairment Activities - Schedule of Restructuring, Impairments and Other Related Charges (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Restructuring Charge |  |  |  |  | $ 2,100 |  |
Lease exit costs (remaining lease obligations) |  |  |  |  | (3,019) | $ 18,664 |
Restructuring Charges and Gain (Loss) on Disposal |  |  |  |  | (3,019) | 18,664 |
Inventory write-downs(1) |  |  |  |  | 4,100 |  |
Total |  |  |  |  | 2,407 | 20,658 |
Optimization of Manufacturing and Logistics [Member] |  |  |  |  |  |  |
Restructuring Charge |  |  |  |  | 829 | 6,330 |
Facility Closing, Passaic [Member] |  |  |  |  |  |  |
Gain on sale of Passaic property |  |  | $ (11,500) |  | (11,497) |  |
Impairments of Long-lived Assets [Member] |  |  |  |  |  |  |
Restructuring Charge |  |  |  | $ 3,100 | 5,171 | 9,913 |
Lease Exit Costs [Member] |  |  |  |  |  |  |
Lease exit costs (remaining lease obligations) |  | $ 2,400 |  |  | 2,372 | 2,662 |
Restructuring Charges and Gain (Loss) on Disposal |  | $ 2,400 |  |  | 2,372 | 2,662 |
Other Charges (Income) [Member] |  |  |  |  |  |  |
Restructuring Charge |  |  |  |  | 106 | (241) |
Restructuring, Impairment, and Other Related Charges [Member] |  |  |  |  |  |  |
Restructuring Charge |  |  |  | $ 8,300 |  |  |
Lease exit costs (remaining lease obligations) |  |  |  |  | (3,019) | 18,664 |
Restructuring Charges and Gain (Loss) on Disposal |  |  |  |  | (3,019) | 18,664 |
Manufacturing Overhead Costs [Member] |  |  |  |  |  |  |
Manufacturing overhead costs(1) | [1] |  |  |  | 1,319 | 866 |
Inventory Write-downs [Member] |  |  |  |  |  |  |
Inventory write-downs(1) | [1] |  |  |  | $ 4,107 | $ 1,128 |
[1] | Manufacturing overhead costs and inventory write-downs are reported within Cost of Sales in the consolidated statements of comprehensive income.

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