Segment Information (Summary Of Revenue By Segment And Reconciling Items) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net revenue by segment	$ 1,033,744,000	$ 894,874,000	$ 1,984,038,000	$ 1,798,890,000
Depreciation and amortization by segment	37,767,000	40,789,000	74,040,000	79,891,000
Net operating profit by segment	280,194,000	248,711,000	555,932,000	510,624,000
Amortization of acquired intangible assets	9,563,000	7,738,000	17,513,000	15,445,000
Acquisition related expenses	8,412,000	0	9,157,000	0
Loss attributable to equity method investments	2,826,000	1,914,000	4,853,000	3,300,000
(Gain) loss on equity investments			(5,088,000)	(1,208,000)
Other, net	(1,707,000)	841,000	(3,211,000)	(1,150,000)
Income before income taxes	273,691,000	237,286,000	535,484,000	496,074,000
Operating Segments
Segment Reporting Information [Line Items]
Net operating profit by segment	402,181,000	346,805,000	779,608,000	705,708,000
Corporate Costs
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	17,137,000	19,585,000	31,730,000	38,971,000
Reconciling items
Segment Reporting Information [Line Items]
Corporate costs	96,707,000	79,125,000	183,326,000	157,350,000
Amortization of acquired intangible assets	16,868,000	18,969,000	31,193,000	37,734,000
Acquisition related expenses	8,412,000	0	9,157,000	0
Interest expense (income), net	10,338,000	5,948,000	17,472,000	11,308,000
Loss attributable to equity method investments	2,826,000	1,914,000	4,853,000	3,300,000
(Gain) loss on equity investments	(8,368,000)	4,404,000	(5,088,000)	(1,208,000)
Other, net	1,707,000	(841,000)	3,211,000	1,150,000
Income before income taxes	273,691,000	237,286,000	535,484,000	496,074,000
Total Sleep and Respiratory Care
Segment Reporting Information [Line Items]
Net revenue by segment	916,981,000	795,840,000	1,761,424,000	1,602,339,000
Total Sleep and Respiratory Care | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	18,533,000	19,347,000	38,301,000	37,362,000
Net operating profit by segment	373,367,000	324,469,000	726,027,000	661,465,000
Software as a Service
Segment Reporting Information [Line Items]
Net revenue by segment	116,763,000	99,034,000	222,614,000	196,551,000
Software as a Service | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization by segment	2,097,000	1,857,000	4,009,000	3,558,000
Net operating profit by segment	$ 28,814,000	$ 22,336,000	$ 53,581,000	$ 44,243,000