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Revenue Recognition (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 26, 2020 | Jun. 28, 2019 | Jun. 26, 2020 | Jun. 28, 2019 | Sep. 27, 2019
Disaggregation of Revenue [Line Items] |  |  |  |  |
Contract with Customer, Refund Liability | $ 24.2 |  | $ 24.2 |  | $ 38.5
Document Period End Date |  |  | Jun. 26, 2020 |  |
Revenues | 736.8 | $ 767.0 | $ 2,398.9 | $ 2,549.4 |
UNITED STATES |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | 425.2 | 355.7 | 1,431.0 | 1,358.9 |
CHINA |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | 166.5 | 212.9 | 512.9 | 606.8 |
KOREA, REPUBLIC OF |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | 46.0 | 76.9 | 178.9 | 282.0 |
TAIWAN, PROVINCE OF CHINA |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | 64.9 | 78.0 | 165.9 | 182.8 |
EMEA [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | 29.0 | 36.5 | 91.9 | 100.2 |
Asia, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | $ 5.2 | $ 7.0 | $ 18.3 | $ 18.7 |

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- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=118944142&loc=SL49130611-203046-203046 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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