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Summary Of Significant Accounting Policies (Summary Of Net Revenue Disaggregated By Product And Region) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
U.S., Canada And Latin America [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | $ 483,109 | $ 429,937 | $ 1,434,964 | $ 1,225,596
U.S., Canada And Latin America [Member] | Devices [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 196,497 | 181,269 | 586,907 | 540,190
U.S., Canada And Latin America [Member] | Masks And Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 197,052 | 168,726 | 584,901 | 494,792
U.S., Canada And Latin America [Member] | Total Sleep And Respiratory Care [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 393,549 | 349,995 | 1,171,808 | 1,034,982
U.S., Canada And Latin America [Member] | Software As A Service [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 89,560 | 79,942 | 263,156 | 190,614
Combined Europe, Asia And Other Markets [Member] | Devices [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 195,038 | 155,178 | 509,274 | 463,053
Combined Europe, Asia And Other Markets [Member] | Masks And Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 91,308 | 77,113 | 242,431 | 212,959
Combined Europe, Asia And Other Markets [Member] | Total Sleep And Respiratory Care [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 286,346 | 232,291 | 751,705 | 676,012
Global [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 769,455 | 662,228 | 2,186,669 | 1,901,608
Global [Member] | Devices [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 391,535 | 336,447 | 1,096,181 | 1,003,243
Global [Member] | Masks And Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 288,360 | 245,839 | 827,332 | 707,751
Global [Member] | Total Sleep And Respiratory Care [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | 679,895 | 582,286 | 1,923,513 | 1,710,994
Global [Member] | Software As A Service [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenue | $ 89,560 | $ 79,942 | $ 263,156 | $ 190,614

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