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Restructuring and Divestiture Charges - Additional Information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | ||||||||||||||
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Sep. 28, 2013
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Jun. 29, 2013
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Mar. 30, 2013
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Mar. 24, 2012
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Sep. 24, 2011
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Sep. 28, 2013
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Sep. 29, 2012
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Sep. 24, 2011
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Sep. 29, 2012
Indiana [Member ]
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Sep. 28, 2013
Indiana [Member ]
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Sep. 28, 2013
Subsequent Event [Member]
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Sep. 28, 2013
Restructuring [Member]
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Sep. 29, 2012
Restructuring [Member]
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Mar. 24, 2012
Abandonment of Adiana Product Line [Member]
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Sep. 29, 2012
Abandonment of Adiana Product Line [Member]
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Sep. 29, 2012
Consolidation of Diagnostics Operations [Member]
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Sep. 28, 2013
Consolidation of Diagnostics Operations [Member]
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Sep. 29, 2012
Consolidation of Diagnostics Operations [Member]
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Sep. 28, 2013
Consolidation of Diagnostics Operations [Member]
Restructuring [Member]
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Sep. 28, 2013
Site Closure Costs [Member]
Employees
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Sep. 28, 2013
One-time Termination Benefits [Member]
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Sep. 29, 2012
Other Operating Cost Reductions [Member]
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Mar. 24, 2012
Other Operating Cost Reductions [Member]
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Sep. 29, 2012
Closure of Indianapolis Facility [Member]
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Sep. 28, 2013
Closure of Indianapolis Facility [Member]
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Sep. 28, 2013
Closure of Indianapolis Facility [Member]
Restructuring [Member]
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Sep. 28, 2013
Employee Severance [Member]
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| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||||||||||||
| Divestiture charges | $ 18,300,000 | $ 18,300,000 | $ 19,500,000 | ||||||||||||||||||||||||
| Restructuring charges - cost of product sales | 19,100,000 | ||||||||||||||||||||||||||
| Other restructuring charges | 400,000 | ||||||||||||||||||||||||||
| Impairment charges related to inventory | 9,900,000 | ||||||||||||||||||||||||||
| Impairment charges related to manufacturing equipment | 6,500,000 | ||||||||||||||||||||||||||
| Charges related to outstanding contractual obligations | 2,700,000 | ||||||||||||||||||||||||||
| Severance charge | 4,600,000 | 300,000 | 4,600,000 | 100,000 | 900,000 | 3,200,000 | 13,300,000 | 10,800,000 | 1,100,000 | 100,000 | 900,000 | 4,800,000 | 6,800,000 | ||||||||||||||
| Restructuring charges not recorded in cost of product sales | 300,000 | ||||||||||||||||||||||||||
| Stock-based compensation expense | 52,307,000 | 40,572,000 | 35,472,000 | 9,029,000 | 3,500,000 | 3,500,000 | 6,300,000 | ||||||||||||||||||||
| Employee retention program, payments in cash | 9,700,000 | ||||||||||||||||||||||||||
| Estimated aggregate severance charges | 5,200,000 | 6,400,000 | 6,000,000 | ||||||||||||||||||||||||
| Exiting charges | 900,000 | 800,000 | 600,000 | ||||||||||||||||||||||||
| Compensation charges | 1,400,000 | ||||||||||||||||||||||||||
| Number of employees affected | 100 | ||||||||||||||||||||||||||
| Impairment charges | 7,667,000 | 16,901,000 | 300,000 | ||||||||||||||||||||||||
| Lease obligation charge and write-off of related leaseholds | 400,000 | ||||||||||||||||||||||||||
| Charges related to termination of lease | 400,000 | ||||||||||||||||||||||||||
| Impairment charges for assets held for sale | 700,000 | 3,700,000 | 6,500,000 | ||||||||||||||||||||||||
| Assets held for sale, sales value | 3,000,000 | 3,000,000 | |||||||||||||||||||||||||
| Assets held-for-sale inventory and equipment | 2,400,000 | 2,400,000 | |||||||||||||||||||||||||
| Assets held-for-sale Goodwill | 600,000 | 600,000 | |||||||||||||||||||||||||
| Gain on the sale of LIFECODES business | 900,000 | ||||||||||||||||||||||||||
| Disposition charges | 300,000 | ||||||||||||||||||||||||||
| Proceeds from sale of minor non-core product line | 1,100,000 | ||||||||||||||||||||||||||
| Net gain on sale of minor non-core product line | $ 400,000 | ||||||||||||||||||||||||||