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Commitments and Contingencies - Additional Information (Detail) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 23, 2015 USD ($) | Sep. 30, 2016 USD ($) Installment | Sep. 30, 2016 USD ($)
Commitments and Contingencies [Line Items] |  |  |
Loss Contingency, name of plaintiff |  |  | Baldwin Hackett & Meeks, Inc.
Loss contingency, damages sought, value | $ 43.8 |  |
Loss contingency, damages awarded, value |  |  | $ 43.8
Attorney fees and costs |  |  | 2.7
Software Licenses |  |  |
Commitments and Contingencies [Line Items] |  |  |
Purchase agreement |  | $ 9.8 | 9.8
Number of equal annual installments to be paid | Installment |  | 3 |
Other Current Liabilities | Software Licenses |  |  |
Commitments and Contingencies [Line Items] |  |  |
Purchase agreement |  | $ 3.3 | 3.3
Other Noncurrent Liabilities | Software Licenses |  |  |
Commitments and Contingencies [Line Items] |  |  |
Purchase agreement |  | $ 6.5 | $ 6.5

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