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Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Mar. 26, 2016 | Sep. 26, 2015 | Mar. 28, 2015
--- | --- | --- | ---
Liabilities: |  |  |
Total liabilities | $ 6,215 | $ 3,625 | $ 4,343
Liability for Contingent Consideration |  |  |
Liabilities: |  |  |
Total liabilities | 6,215 | 3,625 | 4,343
Level 1 |  |  |
Liabilities: |  |  |
Total liabilities | 0 | 0 | 0
Level 1 | Liability for Contingent Consideration |  |  |
Liabilities: |  |  |
Total liabilities | 0 | 0 | 0
Level 2 |  |  |
Liabilities: |  |  |
Total liabilities | 0 | 0 | 0
Level 2 | Liability for Contingent Consideration |  |  |
Liabilities: |  |  |
Total liabilities | 0 | 0 | 0
Level 3 |  |  |
Liabilities: |  |  |
Total liabilities | 6,215 | 3,625 | 4,343
Level 3 | Liability for Contingent Consideration |  |  |
Liabilities: |  |  |
Total liabilities | $ 6,215 | $ 3,625 | $ 4,343

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- Definition Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity. + References No definition available. + Details
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