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Restructuring and Divestiture Charges - Additional Information (Detail) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 27, 2015 USD ($) | Sep. 27, 2014 USD ($) | Jun. 28, 2014 USD ($) | Mar. 29, 2014 USD ($) | Dec. 28, 2013 USD ($) employee | Jun. 27, 2015 USD ($) offices | Jun. 28, 2014 USD ($) | Sep. 27, 2014 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Loss on disposal of business |  | $ 5,300,000 |  |  |  | $ 9,600,000 | $ 0 |
Restructuring Reserve, Translation and Other Adjustment | $ 9,600,000 |  |  |  |  |  |  |
Restructuring | Fiscal 2015 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Severance charges | 700,000 |  |  |  |  | 3,700,000 |  |
Share Based Compensation Expense Included Other Restructuring Costs |  |  |  |  |  | 700,000 |  |
Workforce reductions |  |  |  |  |  | 10,100,000 |  |
Facility closure costs |  |  |  |  |  | 2,200,000 |  |
Restructuring | Fiscal 2014 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Workforce reductions |  |  |  |  |  |  |  | $ 42,200,000
Facility closure costs |  |  |  |  |  |  |  | 600,000
Non-cash impairment charge |  |  |  |  |  |  |  | 3,100,000
Consolidation of Diagnostics Operations | Molecular Diagnostics Operations |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Severance charges |  |  | $ 600,000 |  |  |  | $ 2,300,000 | 3,000,000
Severance and benefits and facility closure costs |  |  |  |  |  | 600,000 |  |
Consolidation of Diagnostics Operations | Restructuring | Fiscal 2015 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Workforce reductions |  |  |  |  |  | 100,000 |  |
Facility closure costs |  |  |  |  |  | 500,000 |  |
Consolidation of Diagnostics Operations | Restructuring | Fiscal 2014 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Workforce reductions |  |  |  |  |  |  |  | 2,900,000
Facility closure costs |  |  |  |  |  |  |  | 0
Non-cash impairment charge |  |  |  |  |  |  |  | 0
Fiscal 2014 Actions |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Severance charges | 200,000 |  | 5,000,000 | $ 3,000,000 | $ 6,300,000 | 6,100,000 |  | 16,600,000
Compensation charges |  |  |  |  | 400,000 |  |  | 1,800,000
Facility closure costs | 1,400,000 |  |  |  |  | $ 1,600,000 |  |
Number Office Locations related to Facility Closure Costs | offices |  |  |  |  |  | 2 |  |
Fiscal 2014 Actions | Jack Cumming |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Severance charges |  |  |  |  | 6,600,000 |  |  |
Compensation charges |  |  |  |  | 4,400,000 |  |  |
Fiscal 2014 Actions | Restructuring | Fiscal 2015 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Workforce reductions |  |  |  |  |  | $ 6,100,000 |  |
Facility closure costs |  |  |  |  |  | 1,600,000 |  |
Fiscal 2014 Actions | Restructuring | Fiscal 2014 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Workforce reductions |  |  |  |  |  |  |  | 29,500,000
Facility closure costs |  |  |  |  |  |  |  | 0
Non-cash impairment charge |  |  |  |  |  |  |  | 0
Other Operating Cost Reductions |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Severance charges |  |  | $ 1,100,000 | $ 7,300,000 | $ 0 |  |  | 8,700,000
Number of employees affected for severance benefits | employee |  |  |  |  | 95 |  |  |
Estimated aggregate severance charges | $ 9,300,000 |  |  |  |  | 9,300,000 |  |
Other Operating Cost Reductions | Restructuring | Fiscal 2015 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Severance and benefits and facility closure costs |  |  |  |  |  | 300,000 |  |
Workforce reductions |  |  |  |  |  | 200,000 |  |
Facility closure costs |  |  |  |  |  | $ 100,000 |  |
Other Operating Cost Reductions | Restructuring | Fiscal 2014 charges: |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Workforce reductions |  |  |  |  |  |  |  | 9,800,000
Facility closure costs |  |  |  |  |  |  |  | 600,000
Non-cash impairment charge |  |  |  |  | $ 3,100,000 |  |  | $ 3,100,000

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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 Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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