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Nonqualified Deferred Compensation Plan - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Sep. 28, 2013
Y
|
Sep. 29, 2012
|
Sep. 24, 2011
|
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] | |||
| Discretionary contribution, net of forfeitures | $ 38.6 | $ 32.1 | |
|
Gen-Probe Incorporated [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] | |||
| Deferred compensation plan investments | 6.9 | 7.0 | |
|
Nonqualified Deferred Compensation Plan [Member]
|
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| 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 | ||
| Compensation expense for the DCP discretionary contributions | 2.7 | 2.6 | 2.6 |
| Investment in group life insurance contracts | $ 33.9 | $ 26.0 | |