Segment Information - Schedule of Revenue By Segment And Reconciling Items (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Net revenue by segment	$ 1,291,736	$ 1,196,980	$ 3,798,334	$ 3,462,102
Depreciation and amortization by segment	43,675	43,474	134,845	133,192
Net operating profit by segment	426,268	374,584	1,230,823	938,677
Amortization of acquired intangible assets	10,895	11,204	33,345	35,259
Restructuring expenses	0	0	0	64,228
Interest expense (income), net	793	(11,026)	(1,643)	(39,787)
(Gain) Loss attributable to equity method investments	(335)	(440)	(2,375)	2,716
Loss on equity investments			7,765	(11,429)
Other, net	(4,056)	(2,496)	(4,277)	(537)
Income before income taxes	417,693	375,421	1,219,513	907,066
Operating Segments
Segment Reporting Information [Line Items]
Net operating profit by segment	547,975	494,936	1,594,174	1,351,907
Corporate Costs
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	18,606	19,284	56,899	61,042
Reconciling items
Segment Reporting Information [Line Items]
Corporate costs	103,368	101,336	307,258	274,505
Amortization of acquired intangible assets	18,339	19,016	56,093	60,235
Restructuring expenses	0	0	0	64,228
Masks with magnets field safety notification expenses	0	0	0	6,351
Astral field safety notification expenses	0	0	0	7,911
Interest expense (income), net	(793)	11,026	1,643	39,787
(Gain) Loss attributable to equity method investments	(335)	(440)	(2,375)	2,716
Loss on equity investments	5,647	(13,919)	7,765	(11,429)
Other, net	4,056	2,496	4,277	537
Income before income taxes	417,693	375,421	1,219,513	907,066
Total Sleep and Breathing Health
Segment Reporting Information [Line Items]
Net revenue by segment	1,130,575	1,049,023	3,323,905	3,029,915
Total Sleep and Breathing Health | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	22,818	21,832	71,087	64,307
Net operating profit by segment	494,796	456,182	1,444,492	1,240,061
Residential Care Software
Segment Reporting Information [Line Items]
Net revenue by segment	161,161	147,957	474,429	432,187
Operating lease, impairment loss		2,000		2,000
Residential Care Software | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	2,251	2,358	6,859	7,843
Net operating profit by segment	$ 53,179	$ 38,754	$ 149,682	$ 111,846