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v3.3.1.900

Commitments and Contingencies (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2015 patent | Dec. 26, 2015 USD ($) | Dec. 27, 2014 USD ($) | Dec. 28, 2013 USD ($)
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Rent expense from operating leases |  | $ 23.4 | $ 14.2 | $ 16.7
Maximum insurance deductibles |  | 5.0 |  |
Government Billing |  |  |  |
Litigation [Line Items] |  |  |  |
Loss contingency, estimate of possible loss |  | $ 1.5 |  |
Pending Litigation | Idexx |  |  |  |
Litigation [Line Items] |  |  |  |
Patents allegedly infringed, number | patent | 3 |  |  |

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