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v3.8.0.1

Basis of Presentation (Details) - USD ($) $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Jan. 29, 2018 | Jan. 19, 2018 | Dec. 30, 2017 | Sep. 30, 2017
Subsequent Event [Line Items] |  |  |  |
Internal-use software |  |  | $ 17.6 | $ 18.4
Capitalized Computer Software, Net |  |  | $ 12.9 | $ 12.3
Subsequent Event Type [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Senior Notes |  | $ 1,000.0 |  |
2025 Senior Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt Instrument, Interest Rate During Period |  |  | 4.375% |
2025 Senior Notes | Subsequent Event Type [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Senior Notes |  | $ 600.0 |  |
Offering Price of Principal Amount |  | 100.00% |  |
2028 Senior Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt Instrument, Interest Rate During Period |  |  | 4.625% |
2028 Senior Notes | Subsequent Event Type [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Senior Notes |  | $ 400.0 |  |
Offering Price of Principal Amount |  | 100.00% |  |
Stated interest rate |  | 4.625% |  |
2022 Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt Instrument, Interest Rate During Period |  |  | 5.25% |
2022 Notes | Subsequent Event Type [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Senior Notes |  | $ 1,000.0 |  |
2042 Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Senior Notes |  |  | $ 39.3 |
2042 Notes | Subsequent Event Type [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stated interest rate | 2.00% |  |  |
Redemption price (as a percent) | 100.00% | 100.00% |  |

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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 + Details
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