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Restructuring and Divestiture Charges - Charges Taken Related to Accrued Restructuring Actions (Detail) (USD $) In Millions, unless otherwise specified | 9 Months Ended | 12 Months Ended | 9 Months Ended
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Jun. 28, 2014 | Jun. 29, 2013 | Sep. 29, 2012 Fiscal 2012 Charges [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2012 Charges [Member] Consolidation of Diagnostics Operations [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2012 Charges [Member] Closure of Indianapolis Facility [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2012 Charges [Member] Fiscal 2014 Actions [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2012 Charges [Member] Fiscal 2013 Actions [Member] Restructuring [Member] | Sep. 29, 2012 Fiscal 2012 Charges [Member] Other Operating Cost Reductions [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Consolidation of Diagnostics Operations [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Closure of Indianapolis Facility [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Fiscal 2014 Actions [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Fiscal 2013 Actions [Member] Restructuring [Member] | Sep. 28, 2013 Fiscal 2013 Charges [Member] Other Operating Cost Reductions [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Consolidation of Diagnostics Operations [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Closure of Indianapolis Facility [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Fiscal 2014 Actions [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Fiscal 2013 Actions [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Charges [Member] Other Operating Cost Reductions [Member] Restructuring [Member]
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fiscal restructuring charges |  |  | $ 17.5 | $ 14.8 | $ 1.8 | $ 0 | $ 0 | $ 0.9 | $ 32.7 | $ 14.0 | $ 5.7 | $ 0 | $ 11.3 | $ 1.7 | $ 36.4 | $ 2.3 | $ 0.7 | $ 21.0 | $ 0.9 | $ 11.5
Non-cash impairment charges | (33.3) | (1.8) | (0.6) | (0.6) | 0 | 0 | 0 | 0 |  |  |  |  |  |  | (3.1) | 0 | 0 | 0 | 0 | (3.1)
Stock-based compensation |  |  | (3.5) | (3.5) | 0 | 0 | 0 | 0 | (7.9) | (6.3) | 0 | 0 | (1.6) | 0 | (6.5) | 0 | 0 | (6.5) | 0 | 0
Severance payments |  |  | (2.6) | (2.4) | 0 | 0 | 0 | (0.2) | (21.5) | (13.1) | (3.1) | 0 | (4.4) | (0.9) | (24.4) | (0.9) | (4.0) | (7.7) | (5.9) | (5.9)
Other payments |  |  | (0.8) | 0 | 0 | 0 | 0 | (0.8) | (1.2) | 0 | (0.6) | 0 | 0 | (0.6) | (0.5) | 0 | (0.4) | 0 | 0 | (0.1)
Acquired and other |  |  | 0.2 | 0.1 | 0 | 0 | 0 | 0.1 |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  | $ 10.2 | $ 8.4 | $ 1.8 | $ 0 | $ 0 | $ 0 | $ 12.3 | $ 3.0 | $ 3.8 | $ 0 | $ 5.3 | $ 0.2 | $ 14.2 | $ 4.4 | $ 0.1 | $ 6.8 | $ 0.3 | $ 2.6

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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 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 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://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 2: 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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