v3.26.1
Debt - Narrative (Details)
$ in Thousands
 12 Months Ended
Jul. 10, 2026
USD ($)
Jun. 29, 2022
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jul. 10, 2019
USD ($)
Line of Credit Facility [Line Items]          
Debt to consolidated EBITDA ratio     3.50    
Line of credit facility collateral, maximum percentage of ownership interests held in subsidiary     10.00%    
Outstanding debt     $ 659,365 $ 668,292  
Principal balance     400,000 660,000  
3.24% Senior Notes Due July 10, 2026          
Line of Credit Facility [Line Items]          
Principal amount         $ 250,000
Interest rate         3.24%
3.45% Senior Notes Due July 10, 2029          
Line of Credit Facility [Line Items]          
Principal amount         $ 250,000
Interest rate         3.45%
Senior Notes          
Line of Credit Facility [Line Items]          
Long-term debt, fair value     484,000 480,000  
Outstanding loan balance     500,000 500,000  
Senior Notes | 3.24% senior notes | Subsequent Event          
Line of Credit Facility [Line Items]          
Interest rate 3.24%        
Repayments of debt $ 250,000        
Revolving Credit Agreement, Term Credit Agreement, And Senior Notes          
Line of Credit Facility [Line Items]          
Outstanding debt     $ 660,000    
Revolving Credit Facility | MUFG Union Bank NA and Westpac Banking Corporation          
Line of Credit Facility [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          
Line of Credit Facility [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          
Line of Credit Facility [Line Items]          
Commitment fees percentage rate on unused portion of credit facility     0.15%    
Revolving Credit Facility | MUFG Union Bank | ResMed Limited          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity   $ 200,000      
Term Loan Credit Agreement          
Line of Credit Facility [Line Items]          
Principal payment   $ 5,000      
Term Loan Credit Agreement | Minimum | Secured Overnight Financing Rate          
Line of Credit Facility [Line Items]          
Credit facility interest rate equal to reference rate plus   0.75%      
Term Loan Credit Agreement | Minimum | Base Rate          
Line of Credit Facility [Line Items]          
Credit facility interest rate equal to reference rate plus   0.00%      
Term Loan Credit Agreement | Maximum | Secured Overnight Financing Rate          
Line of Credit Facility [Line Items]          
Credit facility interest rate equal to reference rate plus   1.50%      
Term Loan Credit Agreement | Maximum | Base Rate          
Line of Credit Facility [Line Items]          
Credit facility interest rate equal to reference rate plus   0.50%      
Revolving Credit Facility And Term Credit Agreement          
Line of Credit Facility [Line Items]          
Available for draw     $ 1,500,000    
Long-term debt, fair value     $ 160,000 $ 170,000  
Revolving Credit Facility And Term Credit Agreement | MUFG Union Bank NA and Westpac Banking Corporation          
Line of Credit Facility [Line Items]          
Interest rate on outstanding principal amount     4.58%