Segment Information (Summary Of Revenue By Segment And Reconciling Items) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Net revenue	$ 3,578,127	$ 3,196,825	$ 2,957,013
Depreciation and amortization	159,609	156,758	154,850
Net operating profit by segment	1,000,286	903,678	809,659
Amortization of acquired intangible assets	31,078	31,078	30,092
Restructuring expenses	0	8,673	0
Litigation settlement expenses	0	0	(600)
Loss attributable to equity method investments	(8,486)	(11,205)	(25,058)
(Gain) loss on equity investments	(12,202)	14,515	(14,519)
Other, net	3,197	301	2,362
Income before income taxes	960,483	883,662	733,088
Operating Segments
Segment Reporting Information [Line Items]
Net operating profit by segment	1,226,331	1,129,749	1,016,849
Corporate Costs
Segment Reporting Information [Line Items]
Depreciation and amortization	72,927	78,377	81,556
Reconciling items
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	0	0	(2,102)
Corporate costs	155,317	141,193	125,993
Amortization of acquired intangible assets	70,728	76,205	79,695
Restructuring expenses	0	8,673	0
Litigation settlement expenses	0	0	(600)
Deferred revenue fair value adjustment	0	0	2,102
Interest expense (income), net	22,312	23,627	39,356
Loss attributable to equity method investments	8,486	11,205	25,058
(Gain) loss on equity investments	12,202	(14,515)	14,519
Other, net	(3,197)	(301)	(2,362)
Income before income taxes	960,483	883,662	733,088
Total Sleep and Respiratory Care | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	3,177,298	2,823,235	2,602,381
Depreciation and amortization	79,367	73,151	69,444
Net operating profit by segment	1,132,510	1,036,712	934,697
Software as a Service
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	0	0	(2,102)
Deferred revenue fair value adjustment	0	0	2,102
Software as a Service | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	400,829	373,590	354,632
Revenue before deferred revenue fair value adjustment	400,829	373,590	356,734
Depreciation and amortization	7,315	5,230	3,850
Net operating profit by segment	$ 93,821	$ 93,037	$ 82,152