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Debt - Carrying Amounts of the Liability and Equity Components (Details) - USD ($) $ in Millions | Jul. 03, 2021 | Jun. 27, 2020 | May 29, 2018 | Mar. 22, 2017 | Mar. 03, 2017
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Short-term debt | $ 414.2 | $ 2.8 |  |  |
Temporary equity 1.00% Convertible Notes due 2024 | 45.8 | 0.0 |  |  |
Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount of Senior Convertible Notes liability component, short-term | (42.9) | 0.0 |  |  |
Unamortized Senior Convertible Notes debt issuance cost, short-term | (2.9) | 0.0 |  |  |
Other short-term debt | 0.0 | 2.8 |  |  |
Short-term debt | 414.2 | 2.8 |  |  |
1.00% Senior Convertible Notes | Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount of 1.00% Senior Convertible Notes due 2024 | 460.0 | 0.0 |  |  |
Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount of Senior Convertible Notes liability component, long-term | (14.4) | (79.1) |  |  |
Unamortized Senior Convertible Notes debt issuance cost, long-term | (0.8) | (5.0) |  |  |
Long-term debt | 209.8 | 600.9 |  |  |
Carrying amount of equity component | 91.0 | $ 136.8 |  |  |
Convertible Debt | 1.00% Senior Convertible Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate on senior convertible notes |  | 1.00% |  | 1.00% | 1.00%
Short-term debt | 414.2 |  |  |  |
Principal amount of notes | 0.0 | $ 460.0 |  |  |
Unamortized Senior Convertible Notes debt issuance cost, long-term | (2.9) |  |  |  |
Long-term debt |  |  |  | $ 358.1 |
Temporary equity 1.00% Convertible Notes due 2024 | 45.8 | $ 0.0 |  |  |
Carrying amount of equity component |  |  |  | $ 101.9 |
Convertible Debt | 1.75% Senior Convertible Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate on senior convertible notes |  | 1.75% | 1.75% |  |
Principal amount of notes | 225.0 | $ 225.0 |  |  |
Unamortized Senior Convertible Notes debt issuance cost, long-term | $ (0.8) |  |  |  |
Long-term debt |  |  | $ 190.1 |  |
Carrying amount of equity component |  |  | $ 34.9 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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