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v3.25.1

Debt - Narrative (Details) $ in Thousands |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 29, 2022 USD ($) | Mar. 31, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jul. 10, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |
Debt to consolidated EBITDA ratio |  | 3.50 |  |
Line of credit facility, collateral, percentage of the company |  | 10.00% |  |
Outstanding debt |  | $ 673,032 | $ 707,213 |
3.24% Senior Notes Due July 10, 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount |  |  |  | $ 250,000
Interest rate |  |  |  | 3.24%
3.45% Senior Notes Due July 10, 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount |  |  |  | $ 250,000
Interest rate |  |  |  | 3.45%
Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, fair value |  | 481,500 | 463,000 |
Senior notes, carrying amount |  | 500,000 | 500,000 |
Revolving Credit Agreement, Term Credit Agreement, and Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Outstanding debt |  | $ 675,000 |  |
Revolving Credit Facility | Mufg Union Bank Na and Westpac Banking Corporation |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | $ 1,500,000 |  |  |
Uncommitted option to increase credit facility | $ 1,000,000 |  |  |
EBITDA multiple of trailing twelve-month measurement period | 1.0 |  |  |
Revolving Credit Facility | Mufg Union Bank Na and Westpac Banking Corporation | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Commitment fees percentage rate on unused portion of credit facility |  | 0.075% |  |
Revolving Credit Facility | Mufg Union Bank Na and Westpac Banking Corporation | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Commitment fees percentage rate on unused portion of credit facility |  | 0.15% |  |
Revolving Credit Facility | Mufg Union Bank | ResMed Limited |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | $ 200,000 |  |  |
Term Loan Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal payment | $ 5,000 |  |  |
Term Loan Credit Agreement | Minimum | Secured Overnight Financing Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility interest rate, basis spread on reference rate | 0.75% |  |  |
Term Loan Credit Agreement | Minimum | Base Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility interest rate, basis spread on reference rate | 0.00% |  |  |
Term Loan Credit Agreement | Maximum | Secured Overnight Financing Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility interest rate, basis spread on reference rate | 1.50% |  |  |
Term Loan Credit Agreement | Maximum | Base Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility interest rate, basis spread on reference rate | 0.50% |  |  |
Revolving Credit Facility and Term Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Available for draw |  | $ 1,500,000 |  |
Long-term debt, fair value |  | $ 175,000 | $ 210,000 |
Revolving Credit Facility and Term Credit Agreement | Mufg Union Bank Na and Westpac Banking Corporation |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate on outstanding principal amount |  | 5.10% |  |

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