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Commitments and Contingencies (Details) $ in Millions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2015 patent | Jun. 25, 2016 USD ($)
Loss Contingencies [Line Items] |  |
Increase in lease obligations |  | $ 17.6
Government billing |  |
Loss Contingencies [Line Items] |  |
Reserve for estimated possible loss |  | $ 1.5
Pending Litigation | Idexx |  |
Loss Contingencies [Line Items] |  |
Number of patents infringed upon | patent | 3 |

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