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Restructuring Charges - Charges Taken Related to Accrued Restructuring Actions (Detail) $ in Millions | 3 Months Ended
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Dec. 29, 2018 USD ($)
Fiscal 2018 charges |
Restructuring Reserve [Roll Forward] |
Balance as of September 29, 2018 | $ 9.1
Fiscal 2018 charges | Fiscal 2019 Action [Member] |
Restructuring Reserve [Roll Forward] |
Balance as of September 29, 2018 | 0.0
Fiscal 2018 charges | Fiscal 2018 Actions |
Restructuring Reserve [Roll Forward] |
Balance as of September 29, 2018 | 4.3
Fiscal 2018 charges | Fiscal 2017 Actions |
Restructuring Reserve [Roll Forward] |
Balance as of September 29, 2018 | 0.8
Fiscal 2018 charges | Fiscal 2016 Actions |
Restructuring Reserve [Roll Forward] |
Balance as of September 29, 2018 | 3.9
Fiscal 2018 charges | Other |
Restructuring Reserve [Roll Forward] |
Balance as of September 29, 2018 | 0.1
Fiscal 2019 charges | Fiscal 2019 Action [Member] |
Restructuring Reserve [Roll Forward] |
Balance as of December 29, 2018 | 0.3
Restructuring | Fiscal 2019 charges |
Restructuring Reserve [Roll Forward] |
Fiscal 2019 charges | 1.7
Severance payments and adjustments | (2.0)
Other payments | (0.9)
Balance as of December 29, 2018 | 7.9
Restructuring | Fiscal 2019 charges | Fiscal 2019 Action [Member] |
Restructuring Reserve [Roll Forward] |
Fiscal 2019 charges | 1.0
Severance payments and adjustments | (0.7)
Other payments | 0.0
Restructuring | Fiscal 2019 charges | Fiscal 2018 Actions |
Restructuring Reserve [Roll Forward] |
Fiscal 2019 charges | 0.7
Severance payments and adjustments | (1.0)
Other payments | (0.5)
Balance as of December 29, 2018 | 3.5
Restructuring | Fiscal 2019 charges | Fiscal 2017 Actions |
Restructuring Reserve [Roll Forward] |
Fiscal 2019 charges | 0.0
Severance payments and adjustments | (0.3)
Other payments | 0.0
Balance as of December 29, 2018 | 0.5
Restructuring | Fiscal 2019 charges | Fiscal 2016 Actions |
Restructuring Reserve [Roll Forward] |
Fiscal 2019 charges | 0.0
Severance payments and adjustments | 0.0
Other payments | (0.4)
Balance as of December 29, 2018 | 3.5
Restructuring | Fiscal 2019 charges | Other |
Restructuring Reserve [Roll Forward] |
Fiscal 2019 charges | 0.0
Severance payments and adjustments | 0.0
Other payments | 0.0
Balance as of December 29, 2018 | $ 0.1

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- Definition Severance payments. + References No definition available. + Details
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- Definition Payments to settle other restructuring charges. + References No definition available. + Details
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- Definition Restructuring charges, gross + References No definition available. + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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