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Restructuring and Divestiture Charges - Charges Taken Related to Restructuring Actions (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended
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Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Sep. 29, 2012 Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Restructuring [Member] | Sep. 29, 2012 Consolidation of Diagnostics Operations [Member] Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Consolidation of Diagnostics Operations [Member] Fiscal 2013 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Consolidation of Diagnostics Operations [Member] Fiscal 2014 Charges [Member] Restructuring [Member] | Sep. 29, 2012 Closure of Indianapolis Facility [Member] Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Closure of Indianapolis Facility [Member] Fiscal 2013 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Closure of Indianapolis Facility [Member] Fiscal 2014 Charges [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2014 Actions [Member] Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2014 Actions [Member] Fiscal 2013 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Actions [Member] Fiscal 2014 Charges [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2013 Actions [Member] Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Actions [Member] Fiscal 2013 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2013 Actions [Member] Fiscal 2014 Charges [Member] Restructuring [Member] | Sep. 29, 2012 Other Operating Cost Reductions [Member] Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Other Operating Cost Reductions [Member] Fiscal 2013 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Other Operating Cost Reductions [Member] Fiscal 2014 Charges [Member] Restructuring [Member]
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  | $ 33.3 | $ 1.8 | $ 0.6 |  | $ 3.1 | $ 0.6 |  | $ 0 | $ 0 |  | $ 0 | $ 0 |  | $ 0 | $ 0 |  | $ 0 | $ 0 |  | $ 3.1
Purchase orders and other contractual obligations |  |  |  |  | 0.3 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 0.3 |  |
Workforce reductions |  |  |  |  | 15.3 | 31.2 | 32.7 | 14.2 | 14.0 | 2.3 | 0.9 | 4.8 | 0.2 | 0 | 0 | 21.0 | 0 | 11.3 | 0.9 | 0.2 | 1.1 | 8.3
Facility closure costs |  |  |  |  | 0.4 | 0.6 | 0.5 | 0 | 0 | 0 | 0 | 0.2 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0.4 | 0
Other |  |  |  |  | 0.9 | 0.9 | 0.1 | 0 | 0 | 0 | 0.9 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.1
Fiscal restructuring charges |  |  |  |  | 17.5 | 32.7 | 36.4 | 14.8 | 14.0 | 2.3 | 1.8 | 5.7 | 0.7 | 0 | 0 | 21.0 | 0 | 11.3 | 0.9 | 0.9 | 1.7 | 11.5
Divestiture net charges |  |  |  |  |  | 0.1 | 0.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fiscal restructuring and divestiture charges | $ 6.7 | $ 6.7 | $ 36.6 | $ 23.1 | $ 17.5 | $ 32.8 | $ 36.6 | $ 14.8 |  |  | $ 1.8 |  |  | $ 0 |  |  | $ 0 |  |  | $ 0.9 |  |

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- Definition Divestiture charges, net. + References No definition available. + Details
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- Definition Represents charges incurred to close or restructure a facility in connection with an exit or disposal activity. Such costs include clean-up costs and lease obligations. Costs are recorded as the activities are incurred except for lease obligation charges, which are recorded upon termination of the lease obligation or at the cease use date. + References No definition available. + Details
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- Definition Charges in the period for purchase orders and other contractual obligations related to exit or disposal activities that the Company is required to pay. + References No definition available. + Details
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- Definition Represents severance and related benefit charges for the termination of employees under an exit or disposal activity. Charges are recorded either as one-time termination benefits, which are recognized ratable over the required service period to receive such benefit, or under an ongoing benefit plan arrangement once the charge is probable and reasonably estimable. + References No definition available. + Details
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- Definition Total restructuring charges under exit or disposal plan. + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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