Consolidated Statements Of Income - USD ($) shares in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Net revenue	$ 3,196,825,000	$ 2,957,013,000	$ 2,606,572,000
Cost of sales (exclusive of amortization shown separately below)	1,312,598,000	1,189,624,000	1,069,987,000
Amortization of acquired intangible assets	45,127,000	49,603,000	42,514,000
Total cost of sales	1,357,725,000	1,239,227,000	1,112,501,000
Gross profit	1,839,100,000	1,717,786,000	1,494,071,000
Operating expenses:
Selling, general and administrative	670,387,000	676,689,000	645,010,000
Research and development	225,284,000	201,946,000	180,651,000
Amortization of acquired intangible assets	31,078,000	30,092,000	32,424,000
Restructuring expenses (note 19)	8,673,000		9,401,000
Litigation settlement expenses (note 20)		(600,000)	41,199,000
Acquisition related expenses (note 18)			6,123,000
Total operating expenses	935,422,000	908,127,000	914,808,000
Income from operations	903,678,000	809,659,000	579,263,000
Other income (loss), net:
Interest income	362,000	1,021,000	2,299,000
Interest expense	(23,989,000)	(40,377,000)	(36,156,000)
Loss attributable to equity method investments (note 6)	(11,205,000)	(25,058,000)	(15,833,000)
Other, net (note 13)	14,816,000	(12,157,000)	(10,726,000)
Total other income (loss), net	(20,016,000)	(76,571,000)	(60,416,000)
Income before income taxes	883,662,000	733,088,000	518,847,000
Income taxes (note 14)	409,157,000	111,414,000	114,255,000
Net income	$ 474,505,000	$ 621,674,000	$ 404,592,000
Basic earnings per share (note 12)	$ 3.27	$ 4.31	$ 2.83
Diluted earnings per share (note 12)	3.24	4.27	2.80
Dividend declared per share	$ 1.56	$ 1.56	$ 1.48
Basic shares outstanding (000's)	145,313	144,338	143,111
Diluted shares outstanding (000's)	146,451	145,652	144,484
Sleep And Respiratory Care [Member]
Net revenue	$ 2,823,235,000	$ 2,602,381,000	$ 2,330,783,000
Cost of sales (exclusive of amortization shown separately below)	1,177,309,000	1,067,967,000	977,223,000
Amortization of acquired intangible assets	4,895,000	8,584,000	8,591,000
Software As A Service [Member]
Net revenue	373,590,000	354,632,000	275,789,000
Cost of sales (exclusive of amortization shown separately below)	135,289,000	121,657,000	92,764,000
Amortization of acquired intangible assets	$ 40,232,000	$ 41,019,000	$ 33,923,000