Summary of Significant Accounting Policies - Schedule Of Net Revenue Disaggregated By Product And Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Net revenue by segment	$ 1,291,736	$ 1,196,980	$ 3,798,334	$ 3,462,102
Total Sleep and Breathing Health
Disaggregation of Revenue [Line Items]
Net revenue by segment	1,130,575	1,049,023	3,323,905	3,029,915
Residential Care Software
Disaggregation of Revenue [Line Items]
Net revenue by segment	161,161	147,957	474,429	432,187
U.S., Canada and Latin America
Disaggregation of Revenue [Line Items]
Net revenue by segment	749,316	687,472	2,205,572	1,995,160
U.S., Canada and Latin America | Devices
Disaggregation of Revenue [Line Items]
Net revenue by segment	422,660	399,281	1,221,643	1,116,513
U.S., Canada and Latin America | Masks and other
Disaggregation of Revenue [Line Items]
Net revenue by segment	326,656	288,191	983,929	878,647
Combined Europe, Asia and other markets
Disaggregation of Revenue [Line Items]
Net revenue by segment	381,259	361,551	1,118,333	1,034,755
Combined Europe, Asia and other markets | Devices
Disaggregation of Revenue [Line Items]
Net revenue by segment	253,543	238,919	749,646	692,411
Combined Europe, Asia and other markets | Masks and other
Disaggregation of Revenue [Line Items]
Net revenue by segment	127,716	122,632	368,687	342,344
Global revenue
Disaggregation of Revenue [Line Items]
Net revenue by segment	1,291,736	1,196,980	3,798,334	3,462,102
Global revenue | Devices
Disaggregation of Revenue [Line Items]
Net revenue by segment	676,203	638,200	1,971,289	1,808,924
Global revenue | Masks and other
Disaggregation of Revenue [Line Items]
Net revenue by segment	454,372	410,823	1,352,616	1,220,991
Global revenue | Total Sleep and Breathing Health
Disaggregation of Revenue [Line Items]
Net revenue by segment	1,130,575	1,049,023	3,323,905	3,029,915
Global revenue | Residential Care Software
Disaggregation of Revenue [Line Items]
Net revenue by segment	$ 161,161	$ 147,957	$ 474,429	$ 432,187