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Segment Information (Schedule Of Revenue By Segment, Product, And Region) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Net revenue	$ 2,606.6	$ 2,340.2	$ 2,066.7
U.S., Canada and Latin America [Member]
Net revenue	1,696.3	1,447.1	1,310.1
Global [Member]
Net revenue	2,606.6	2,340.2	2,066.7
Total Sleep And Respiratory Care [Member] | Combined Europe, Asia And Other Markets [Member]
Net revenue	910.3	893.1	756.6
Operating Segments [Member] | Devices [Member] | U.S., Canada and Latin America [Member]
Net revenue	743.1	689.6	632.7
Operating Segments [Member] | Devices [Member] | Combined Europe, Asia And Other Markets [Member]
Net revenue	618.5	614.0	528.3
Operating Segments [Member] | Devices [Member] | Global [Member]
Net revenue	1,361.6	1,303.6	1,161.0
Operating Segments [Member] | Masks And Other [Member] | U.S., Canada and Latin America [Member]
Net revenue	677.4	600.5	539.3
Operating Segments [Member] | Masks And Other [Member] | Combined Europe, Asia And Other Markets [Member]
Net revenue	291.8	279.1	228.3
Operating Segments [Member] | Masks And Other [Member] | Global [Member]
Net revenue	969.2	879.6	767.6
Operating Segments [Member] | Total Sleep And Respiratory Care [Member] | U.S., Canada and Latin America [Member]
Net revenue	1,420.5	1,290.1	1,172.0
Operating Segments [Member] | Total Sleep And Respiratory Care [Member] | Global [Member]
Net revenue	2,330.8	2,183.2	1,928.6
Operating Segments [Member] | Software As A Service [Member] | U.S., Canada and Latin America [Member]
Net revenue	275.8	157.0	138.1
Operating Segments [Member] | Software As A Service [Member] | Global [Member]
Net revenue	$ 275.8	$ 157.0	$ 138.1

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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