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Revenue and geographic information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 260,119 | $ 208,398 | $ 966,663 | $ 864,069
Wireless speakers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 104,626 | 93,867 | 401,994 | 453,185
Home theater speakers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 89,660 | 66,732 | 388,902 | 283,952
Components |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 48,135 | 42,283 | 137,539 | 113,530
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 17,698 | 5,516 | 38,228 | 13,402
Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 145,612 | 122,982 | 520,684 | 447,705
Europe, Middle East and Africa (“EMEA”) |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 88,151 | 75,585 | 383,537 | 374,790
Asia Pacific (“APAC”) |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 26,356 | 9,831 | 62,442 | 41,574
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 134,924 | 113,558 | 481,888 | 409,701
Germany |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 20,636 | 18,512 | 96,775 | 95,720
United Kingdom |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 19,810 | 17,930 | 90,036 | 88,421
Other countries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 84,749 | $ 58,398 | $ 297,964 | $ 270,227

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- 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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