Segment Information - Schedule of Revenue By Segment And Reconciling Items (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net revenue by segment	$ 1,162,801	$ 1,033,744	$ 2,265,122	$ 1,984,038
Depreciation and amortization by segment	44,784	37,767	89,718	74,040
Net operating profit by segment	275,094	280,194	564,091	555,932
Amortization of acquired intangible assets	11,577	9,563	24,056	17,513
Restructuring expenses (note 11)	64,228	0	64,228	0
Acquisition related expenses	0	8,412	0	9,157
(Gain) Loss attributable to equity method investments	(739)	2,826	3,156	4,853
(Gain) loss on equity investments			2,491	(5,088)
Other, net	(686)	(1,707)	1,963	(3,211)
Income before income taxes	259,454	273,691	531,645	535,484
Operating Segments
Segment Reporting Information [Line Items]
Net operating profit by segment	468,180	402,181	889,853	779,608
Corporate Costs
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	20,103	17,137	41,758	31,730
Reconciling items
Segment Reporting Information [Line Items]
Corporate costs	102,673	96,707	206,052	183,326
Amortization of acquired intangible assets	19,834	16,868	41,220	31,193
Restructuring expenses (note 11)	64,228	0	64,228	0
Masks with magnets field safety notification expenses	6,351	0	6,351	0
Astral field safety notification expenses	0	0	7,911	0
Acquisition related expenses	0	8,412	0	9,157
Interest expense (income), net	13,805	10,338	28,762	17,472
(Gain) Loss attributable to equity method investments	(739)	2,826	3,156	4,853
(Gain) loss on equity investments	1,888	(8,368)	2,491	(5,088)
Other, net	686	1,707	(1,963)	3,211
Income before income taxes	259,454	273,691	531,645	535,484
Total Sleep and Respiratory Care
Segment Reporting Information [Line Items]
Net revenue by segment	1,017,855	916,981	1,980,892	1,761,424
Total Sleep and Respiratory Care | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	21,956	18,533	42,475	38,301
Net operating profit by segment	426,393	373,367	816,808	726,027
Software as a Service
Segment Reporting Information [Line Items]
Net revenue by segment	144,946	116,763	284,230	222,614
Software as a Service | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	2,725	2,097	5,485	4,009
Net operating profit by segment	$ 41,787	$ 28,814	$ 73,045	$ 53,581