Segment Information (Summary Of Revenue By Segment And Reconciling Items) (Details) - USD ($)		12 Months Ended			36 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020
Segment Reporting Information [Line Items]
Net revenue		$ 3,196,825,000	$ 2,957,013,000	$ 2,606,572,000
Depreciation and amortization		156,758,000	154,850,000	150,795,000
Net operating profit by segment		903,678,000	809,659,000	579,263,000
Amortization of acquired intangible assets and corporate assets		31,078,000	30,092,000	32,424,000
Restructuring expenses		8,673,000		9,401,000
Litigation settlement expenses			(600,000)	41,199,000	$ 0
Acquisition related expenses		0
Interest income		(362,000)	(1,021,000)	(2,299,000)
Interest expense (income), net		23,989,000	40,377,000	36,156,000
Loss attributable to equity method investments		(11,205,000)	(25,058,000)	(15,833,000)
Other, net		14,816,000	(12,157,000)	(10,726,000)
Income before income taxes		883,662,000	733,088,000	518,847,000
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating profit by segment		1,129,749,000	1,016,849,000	840,954,000
Corporate Costs [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		78,377,000	81,556,000	77,451,000
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	[1]		(2,102,000)	(5,348,000)
Corporate costs		141,193,000	125,993,000	124,682,000
Amortization of acquired intangible assets and corporate assets		76,205,000	79,695,000	74,938,000
Restructuring expenses		8,673,000		9,401,000
Litigation settlement expenses			(600,000)	41,199,000
Acquisition related expenses				6,123,000
Deferred revenue fair value adjustment	[1]		2,102,000	5,348,000
Interest expense (income), net		23,627,000	39,356,000	33,857,000
Loss attributable to equity method investments		11,205,000	25,058,000	15,833,000
Other, net		(14,816,000)	12,157,000	10,726,000
Income before income taxes		883,662,000	733,088,000	518,847,000
Sleep And Respiratory Care [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net revenue		2,823,235,000	2,602,381,000	2,330,783,000
Depreciation and amortization		73,151,000	69,444,000	70,094,000
Net operating profit by segment		1,036,712,000	934,697,000	766,068,000
Software As A Service Before Deferred Revenue Adjustment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net revenue		373,590,000	356,734,000	281,137,000
Software As A Service [Member]
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	[1]		(2,102,000)	(5,348,000)
Deferred revenue fair value adjustment	[1]		2,102,000	5,348,000
Software As A Service [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net revenue		373,590,000	354,632,000	275,789,000
Depreciation and amortization		5,230,000	3,850,000	3,250,000
Net operating profit by segment		$ 93,037,000	$ 82,152,000	$ 74,886,000

[1] The deferred revenue fair value adjustment is a purchase price accounting adjustment related to MatrixCare which was acquired on November 13, 2018.