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Restructuring and Divestiture Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Mar. 29, 2014 | Dec. 28, 2013 | Sep. 28, 2013 | Mar. 30, 2013 | Jun. 28, 2014 | Sep. 28, 2013 | Jun. 29, 2013 Consolidation of Diagnostics Operations [Member] | Mar. 30, 2013 Consolidation of Diagnostics Operations [Member] | Jun. 28, 2014 Consolidation of Diagnostics Operations [Member] | Jun. 29, 2013 Consolidation of Diagnostics Operations [Member] | Sep. 29, 2012 Consolidation of Diagnostics Operations [Member] | Jun. 28, 2014 Consolidation of Diagnostics Operations [Member] Molecular Diagnostics Operations [Member] | Jun. 29, 2013 Consolidation of Diagnostics Operations [Member] Molecular Diagnostics Operations [Member] | Jun. 28, 2014 Consolidation of Diagnostics Operations [Member] Molecular Diagnostics Operations [Member] | Jun. 29, 2013 Consolidation of Diagnostics Operations [Member] Molecular Diagnostics Operations [Member] | Sep. 28, 2013 Consolidation of Diagnostics Operations [Member] Molecular Diagnostics Operations [Member] | Sep. 29, 2012 Consolidation of Diagnostics Operations [Member] Molecular Diagnostics Operations [Member] | Sep. 28, 2013 Consolidation of Diagnostics Operations [Member] Restructuring [Member] | Dec. 28, 2013 Closure of Indianapolis Facility [Member] | Jun. 29, 2013 Closure of Indianapolis Facility [Member] | Jun. 28, 2014 Closure of Indianapolis Facility [Member] | Jun. 29, 2013 Closure of Indianapolis Facility [Member] | Sep. 29, 2012 Closure of Indianapolis Facility [Member] | Sep. 28, 2013 Closure of Indianapolis Facility [Member] Indiana [Member ] | Sep. 29, 2012 Closure of Indianapolis Facility [Member] Indiana [Member ] | Dec. 28, 2013 Closure of Indianapolis Facility [Member] Restructuring [Member] | Sep. 28, 2013 Closure of Indianapolis Facility [Member] Restructuring [Member] | Jun. 28, 2014 Fiscal 2014 Actions [Member] | Mar. 29, 2014 Fiscal 2014 Actions [Member] | Dec. 28, 2013 Fiscal 2014 Actions [Member] | Dec. 28, 2013 Fiscal 2014 Actions [Member] Jack Cumming [Member] | Sep. 28, 2013 Fiscal 2013 Actions [Member] | Jun. 29, 2013 Fiscal 2013 Actions [Member] | Jun. 28, 2014 Fiscal 2013 Actions [Member] | Jun. 28, 2014 Other Operating Cost Reductions [Member] | Mar. 29, 2014 Other Operating Cost Reductions [Member] | Dec. 28, 2013 Other Operating Cost Reductions [Member] employee | Jun. 29, 2013 One-time Termination Benefits [Member] | Jun. 29, 2013 One-time Termination Benefits [Member] | Sep. 28, 2013 One-time Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Severance charges |  |  |  |  |  |  | $ 0.3 |  | $ 0 | $ 10.8 | $ 13.3 | $ 0.6 | $ 0.8 | $ 2.3 | $ 2.6 | $ 3.2 | $ 0.9 | $ 10.8 | $ 0.2 | $ 1.4 | $ 5.9 | $ 4.5 | $ 0.9 |  |  |  | $ 4.8 | $ 5.0 | $ 3.0 | $ 6.3 | $ 6.6 | $ 6.8 | $ 3.6 | $ 0.9 | $ 1.1 | $ 7.3 |  | $ 0.4 | $ 1.0 | $ 1.1
Compensation charges |  |  |  |  |  |  |  |  |  |  | 3.5 |  |  |  |  |  |  | 6.3 |  |  |  |  |  |  |  |  |  | 1.7 |  | 0.4 | 4.4 | 1.4 |  |  |  |  |  |  |  |
Employee retention program, payments in cash |  |  |  |  |  |  |  | 9.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated aggregate severance charges |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.4 |  |  |  | 9.2 |  |  |
Exiting charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.8 | 0.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of employees affected for severance benefits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95 |  |  |
Impairment charges of equipment fair value |  | 3.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.1 |  |  |
Impairment charges for assets held-for-sale | 28.6 |  | 0.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held-for-sale, sales value |  | 2.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other restructuring charges |  |  |  |  | 0.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held-for-sale, inventory and certain equipment |  |  | 2.4 |  |  | 2.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held-for-sale, goodwill |  |  | 0.6 |  |  | 0.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on the sale of lifecodes business |  |  |  | 0.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposition charge |  |  |  |  |  | $ 0.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, 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 expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 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 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, 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 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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