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Accumuated Other Comprehensive Income Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 27, 2015 | Jun. 28, 2014 | Jun. 27, 2015 | Jun. 28, 2014 | Mar. 28, 2015 | Sep. 27, 2014 | Mar. 29, 2014 | Sep. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Changes in foreign currency translation adjustment | $ 4.5 | $ 3.3 | $ (14.0) | $ (3.7) |  |  |  |
Changes in unrealized holding gains and losses on available-for-sale securities | (0.7) | 4.2 | (3.9) | 2.0 |  |  |  |
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent |  |  | (0.1) | 0.6 |  |  |  |
Changes in value of hedged interest rate caps, net of tax of $0.5 and $1.4 for the three and nine months ended June 27, 2015 | (0.7) | 0.0 | (2.3) | 0.0 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 3.1 | 7.5 | (20.1) | (2.3) |  |  |  |
Restructuring Reserve, Translation and Other Adjustment | 9.6 | 0.0 | 9.6 | 0.0 |  |  |  |
Accumulated other comprehensive income (loss) | (7.9) | 18.1 | (7.9) | 18.1 | $ (20.6) | $ 2.6 | $ 10.6 | $ 20.4
Foreign Currency Translation |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Changes in foreign currency translation adjustment | 4.5 |  | (14.0) |  |  |  |  |
Restructuring Reserve, Translation and Other Adjustment | 9.6 | 0.0 | 9.6 | 0.0 |  |  |  |
Accumulated other comprehensive income (loss) | (9.1) | 4.9 | (9.1) | 4.9 | (23.2) | (4.7) | 1.6 | 8.6
Equity securities |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Restructuring Reserve, Translation and Other Adjustment | 0.0 | 0.0 | 0.0 | 0.0 |  |  |  |
Accumulated other comprehensive income (loss) | 5.0 | 14.1 | 5.0 | 14.1 | 5.7 | 8.9 | 9.9 | 12.1
Pension in Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent | 0.0 | 0.0 |  |  |  |  |  |
Restructuring Reserve, Translation and Other Adjustment | 0.0 | 0.0 | 0.0 | 0.0 |  |  |  |
Accumulated other comprehensive income (loss) | (1.5) | $ (0.9) | (1.5) | $ (0.9) | (1.5) | (1.6) | $ (0.9) | $ (0.3)
Interest rate cap - derivative |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Restructuring Reserve, Translation and Other Adjustment | 0.0 |  | 0.0 |  |  |  |  |
Accumulated other comprehensive income (loss) | $ (2.3) |  | $ (2.3) |  | $ (1.6) | $ 0.0 |  |

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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