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Restructuring Expenses (Narrative) (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expenses |  | $ 0 |
Restructuring expenses | $ 8,673,000 |  | $ 9,401,000
Reorganization, Rationalization, And Relocation Of R&D And SaaS Operations [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expenses |  |  | 9,400,000
RL |  |  | $ 5,400,000
Portable Oxygen Concentrator Business Closure [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expenses | 13,900,000 |  |
Inventory write-downs | 5,200,000 |  |
Accelerated amortization | 5,100,000 |  |
Asset impairments | 2,300,000 |  |
Employee-related costs | 700,000 |  |
Contract cancellation costs | 600,000 |  |
Cost of sales | 5,200,000 |  |
Restructuring expenses | $ 8,700,000 |  |

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- Definition The current period expense charged against earnings on decontaminating and decommissioning of facilities used in the normal conduct of business and not intended for resale to allocate or recognize the cost of the assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314 + Details
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