Segment Information (Summary Of Revenue By Segment And Reconciling Items) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 800,011	$ 736,157	$ 1,551,955	$ 1,417,213
Depreciation and amortization		40,580	39,123	80,046	77,077
Net operating profit by segment		221,716	197,809	438,612	368,912
Amortization of acquired intangible assets and corporate assets		7,689	8,556	15,932	13,599
Litigation settlement expenses			(600)		(600)
Restructuring expenses		8,673		8,673
Interest income		(132)	(202)	(249)	(650)
Interest expense (income), net		5,924	10,220	12,766	21,212
Loss attributable to equity method investments		(2,640)	(6,924)	(4,928)	(13,786)
Other, net		(2,692)	(2,115)	5,279	(5,225)
Income before income taxes		210,592	178,752	426,446	329,339
Impairment of operating lease right-of-use asset		0		2,800
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating profit by segment	[1]	285,951	251,436	557,718	473,395
Corporate Costs [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets and corporate assets		26,199	24,095	51,547	46,380
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	[2]		(657)		(2,102)
Corporate costs		36,709	32,962	71,358	63,894
Amortization of acquired intangible assets and corporate assets		18,853	20,608	39,075	39,087
Restructuring expenses		8,673		8,673
Deferred revenue fair value adjustment	[2]		657		2,102
Interest expense (income), net		5,792	10,018	12,517	20,562
Loss attributable to equity method investments		2,640	6,924	4,928	13,786
Other, net		2,692	2,115	(5,279)	5,225
Income before income taxes		210,592	178,752	426,446	329,339
Sleep And Respiratory Care [Member]
Segment Reporting Information [Line Items]
Impairment of operating lease right-of-use asset				1,600
Sleep And Respiratory Care [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		708,178	649,451	1,367,979	1,243,617
Depreciation and amortization		13,244	14,187	26,391	28,878
Net operating profit by segment	[1]	261,660	230,097	509,841	428,260
Software As A Service Before Deferred Revenue Adjustment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		91,833	87,363	183,976	175,698
Software As A Service [Member]
Segment Reporting Information [Line Items]
Impairment of operating lease right-of-use asset				1,200
Software As A Service [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	[2]		(657)		(2,102)
Revenue from Contract with Customer, Excluding Assessed Tax		91,833	86,706	183,976	173,596
Depreciation and amortization		1,137	841	2,108	1,819
Net operating profit by segment	[1]	$ 24,291	21,339	$ 47,877	45,135
Deferred revenue fair value adjustment	[2]		$ 657		$ 2,102

[1] During the three and six months ended December 31, 2020, we recorded $0.0 million and $2.8 million of impairment for our operating lease right-of-use asset, respectively. The impairment related to leases for office space and was recorded within net operating profit. The impairment for the six months ended December 31, 2020 attributable to Sleep and Respiratory Care was $1.6 million and $1.2 million for SaaS.

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