Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Net revenue	$ 894,874	$ 800,011	$ 1,798,890	$ 1,551,955
Cost of sales (exclusive of amortization shown separately below)	379,325	326,364	765,993	627,668
Amortization of acquired intangible assets	11,231	11,164	22,289	23,143
Total cost of sales	390,556	337,528	788,282	650,811
Gross profit	504,318	462,483	1,010,608	901,144
Operating expenses:
Selling, general and administrative	185,362	169,470	362,082	328,459
Research and development	62,507	54,935	122,457	109,468
Amortization of acquired intangible assets	7,738	7,689	15,445	15,932
Restructuring expenses (note 11)		8,673		8,673
Total operating expenses	255,607	240,767	499,984	462,532
Income from operations	248,711	221,716	510,624	438,612
Other income (loss), net:
Interest (expense) income, net	(5,948)	(5,792)	(11,308)	(12,517)
Loss attributable to equity method investments (note 5)	(1,914)	(2,640)	(3,300)	(4,928)
Gain (loss) on equity investments (note 5)	(4,404)	(3,700)	1,208	4,776
Other, net	841	1,008	(1,150)	503
Total other income (loss), net	(11,425)	(11,124)	(14,550)	(12,166)
Income before income taxes	237,286	210,592	496,074	426,446
Income taxes	35,535	31,078	90,710	68,560
Net income	$ 201,751	$ 179,514	$ 405,364	$ 357,886
Basic earnings per share (note 9)	$ 1.38	$ 1.24	$ 2.78	$ 2.47
Diluted earnings per share (note 9)	1.37	1.23	2.76	2.45
Dividend declared per share	$ 0.42	$ 0.39	$ 0.84	$ 0.78
Basic shares outstanding (000's)	145,990	145,246	145,835	145,053
Diluted shares outstanding (000's)	147,040	146,421	147,044	146,350
Sleep And Respiratory Care Products [Member]
Net revenue	$ 795,840	$ 708,178	$ 1,602,339	$ 1,367,979
Cost of sales (exclusive of amortization shown separately below)	343,194	293,862	692,876	562,852
Amortization of acquired intangible assets	1,072	1,140	1,972	3,095
Software As A Service [Member]
Net revenue	99,034	91,833	196,551	183,976
Cost of sales (exclusive of amortization shown separately below)	36,131	32,502	73,117	64,816
Amortization of acquired intangible assets	$ 10,159	$ 10,024	$ 20,317	$ 20,048