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Summary of Significant Accounting Policies - Rollforward of Goodwill Activity by Reportable Segments (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Sep. 27, 2014
Goodwill [Roll Forward] |
Balance at September 28, 2013 | $ 2,814.5
Disposition of a portion of a reporting unit | (0.9)
Tax adjustments | (0.7)
Foreign currency and other | (2.1)
Balance at September 27, 2014 | 2,810.8
Diagnostics [Member] |
Goodwill [Roll Forward] |
Balance at September 28, 2013 | 1,153.5
Disposition of a portion of a reporting unit | (0.2)
Tax adjustments | (0.7)
Foreign currency and other | 1.5
Balance at September 27, 2014 | 1,154.1
Breast Health [Member] |
Goodwill [Roll Forward] |
Balance at September 28, 2013 | 636.4
Disposition of a portion of a reporting unit | (0.7)
Tax adjustments | 0
Foreign currency and other | (4.0)
Balance at September 27, 2014 | 631.7
GYN Surgical [Member] |
Goodwill [Roll Forward] |
Balance at September 28, 2013 | 1,016.4
Disposition of a portion of a reporting unit | 0
Tax adjustments | 0
Foreign currency and other | 0.4
Balance at September 27, 2014 | 1,016.8
Skeletal Health [Member] |
Goodwill [Roll Forward] |
Balance at September 28, 2013 | 8.2
Disposition of a portion of a reporting unit | 0
Tax adjustments | 0
Foreign currency and other | 0
Balance at September 27, 2014 | $ 8.2

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- Definition Amount of adjustments recorded to goodwill for taxes related to acquisitions. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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