Debt Instrument, Periodic Payment, Percent

No definition available.

Name:	avns_DebtInstrumentPeriodicPaymentPercent
Namespace Prefix:	avns_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
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Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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- Details

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- Details

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- Details

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Period Type:

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Period Type:

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Period Type:

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- Details

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Debt - Narratives (Details) - USD ($)		3 Months Ended
Debt - Narratives (Details) - USD ($)	Jun. 24, 2022	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Debt Instrument [Line Items]
Current portion of long-term debt		$ 10,900,000		$ 10,200,000
Repayment of credit facility		$ 0	$ 25,000,000.0
First Eight Quarters
Debt Instrument [Line Items]
Quarterly installment payments (as percent)		10.00%
Subsequent To First Eight Quarters
Debt Instrument [Line Items]
Quarterly installment payments (as percent)		20.00%
Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding		$ 3,600,000
Unsecured debt \| Term Loan Facilities
Debt Instrument [Line Items]
Repayment of credit facility		$ 2,300,000
Credit Agreement
Debt Instrument [Line Items]
Borrowing capacity	$ 500,000,000.0
Credit Agreement \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	0.50%
Credit Agreement \| Minimum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	0.50%
Credit Agreement \| Maximum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	1.00%
Credit Agreement \| Variable Rate Component One \| Minimum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	1.50%
Credit Agreement \| Variable Rate Component One \| Maximum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	2.00%
Credit Agreement \| Variable Rate Component Two \| Minimum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	1.50%
Credit Agreement \| Variable Rate Component Two \| Maximum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	2.00%
Credit Agreement \| Variable Rate Component Three \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	1.00%
Term Loan Facility \| Senior Secured Term Loan
Debt Instrument [Line Items]
Debt instrument, term (in years)	5 years
Face amount of debt	$ 125,000,000.0
Effective interest rate (as percent)		5.50%
Senior Secured Revolving Credit Facility \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity	$ 375,000,000.0
Debt instrument, term (in years)	5 years
Senior Secured Revolving Credit Facility \| Line of Credit \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Line of credit facility, commitment fee (as percent)	0.20%
Senior Secured Revolving Credit Facility \| Line of Credit \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Line of credit facility, commitment fee (as percent)	0.25%
Senior Secured Revolving Credit Facility \| Line of Credit \| Letter of Credit
Debt Instrument [Line Items]
Borrowing capacity	$ 75,000,000.0