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Derivatives - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019 | Sep. 28, 2019 | Sep. 29, 2018
Derivative [Line Items] |  |  |  |  |  |
Interest Rate Cap Agreements Aggregate Premium Payable |  |  | $ 0.0 | $ 1.5 | $ 1.5 | $ 3.7
Borrowed principal | $ 1,000.0 |  | 1,000.0 |  |  |
Loss reclassified from accumulated other comprehensive loss to the statement of income | (0.3) | $ (0.8) | (2.0) | (2.0) |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred |  |  | (0.8) |  |  |
Interest Rate Cash Flow Hedge Asset at Fair Value | 0.0 |  | 0.0 |  | $ 0.1 |
Notional Amount | 25.9 |  | 25.9 |  |  |
Amount of loss recognized in other comprehensive income, net of taxes: | (4.7) | (2.1) | (25.9) | (7.5) |  |
Interest Rate Swap |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative notional amount | $ 1,000.0 |  | $ 1,000.0 |  |  |
Variable interest rate | 1.23% |  | 1.23% |  |  |
Interest rate swap at fair value | $ 29.0 |  | $ 29.0 |  |  |
Amount of loss recognized in other comprehensive income, net of taxes: | (4.6) | $ 0.0 | (25.4) | $ 0.0 |  |
Foreign Exchange Option |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative notional amount | $ 40.3 |  | $ 40.3 |  |  |

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- Definition Notional Amount + References No definition available. + Details
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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80845-113994 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL34724391-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e689-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 + Details
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