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Spin-off Costs (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Sep. 30, 2021
Spin Off Costs Disclosure [Abstract] |  |  |  |  |
Separation and stand-up costs | $ 7,400,000 | $ 0 | $ 15,800,000 | $ 0 |
Accrued spin off costs | $ 1,000,000 |  | $ 1,000,000 |  | $ 1,600,000

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- Definition Accrued spin off costs. + References No definition available. + Details
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- Definition Standup Costs. + References No definition available. + Details
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Namespace Prefix: | embc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Spin Off Costs Disclosure. + References No definition available. + Details
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Namespace Prefix: | embc_
Data Type: | xbrli:stringItemType
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