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Nonqualified Deferred Compensation Plan - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 27, 2014 | Sep. 28, 2013 | Sep. 29, 2012
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Mutual funds | $ 15.4 | $ 6.9 |
Gen-Probe Incorporated [Member] |  |  |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Discretionary contribution, net of forfeitures | 35.8 | 38.6 |
Nonqualified Deferred Compensation Plan [Member] |  |  |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Maximum employee contributions from base salary, percentage | 75.00% |  |
Maximum employee contributions from annual bonus, percentage | 100.00% |  |
Employee contributions vested, percentage | 100.00% |  |
Contributions, vesting period, years | 3 years |  |
Compensation expense for the DCP discretionary contributions | 3.7 | 2.7 | 2.6
Investment in group life insurance contracts | $ 22.4 | $ 33.9 |

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- Definition Employee contributions vested, percentage. + References No definition available. + Details
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- Definition The vesting period for discretionary employer contributions, which vest ratably on an annual basis. + References No definition available. + Details
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- Definition Cash surrender value of group life insurance contracts at the balance sheet date. + References No definition available. + Details
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- Definition Maximum employee contributions from annual bonus percentage to dcp. + References No definition available. + Details
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- Definition Maximum employee contributions from base salary percentage to dcp. + References No definition available. + Details
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- Definition Mutual Funds + References No definition available. + Details
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- Definition Nonqualified deferred compensation plan annual contribution. + References No definition available. + Details
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Balance Type: | debit
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- Definition Represents the company's liability as of the balance sheet date for its nonqualified deferred compensation plan. + References No definition available. + Details
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- Details
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