Segment Information (Summary Of Revenue By Segment And Reconciling Items) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Revenues	$ 681,056	$ 588,279
Operating Income (Loss)	171,102	144,132
Amortization of acquired intangible assets	18,480	12,867
Interest income	(449)	(922)
Interest expense	10,992	3,708
Loss attributable to equity method investments	(6,863)
Other, net	(3,109)	(2,465)
Income before income taxes	150,587	138,881
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	222,000	190,600
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	(1,400)
Corporate costs	30,900	33,600
Amortization of acquired intangible assets	18,500	12,900
Deferred revenue fair value adjustment	1,400
Interest income	(400)	(900)
Interest expense	11,000	3,700
Loss attributable to equity method investments	6,900
Other, net	3,100	2,500
Income before income taxes	150,600	138,900
Total Sleep And Respiratory Care [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	594,200	540,800
Operating Income (Loss)	198,200	175,300
Software As A Service Before Deferred Revenue Adjustment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	88,300	47,500
Software As A Service [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Deferred revenue fair value adjustment	(1,400)
Revenues	86,900	47,500
Operating Income (Loss)	23,800	$ 15,300
Deferred revenue fair value adjustment	$ 1,400