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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
May 31, 2017 | Jan. 07, 2016 | Jul. 02, 2017 | Jul. 03, 2016 | Jul. 02, 2017 | Jul. 03, 2016
Business Acquisition [Line Items] |  |  |  |  |  |
Income before taxes |  |  | $ 38,101 | $ 38,192 | $ 65,932 | $ 54,760
Thinklogical Holdings LLC |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of outstanding shares acquired | 100.00% |  |  |  |  |
Acquisition price | $ 171,300 |  |  |  |  |
Receivables | $ 4,355 |  |  |  |  |
Business combination, goodwill, tax deductible amount |  |  | 57,500 |  | $ 57,500 |
Business acquisition, goodwill, tax deductible period |  |  |  |  | 15 years |
Income before taxes |  |  | $ 10,200 |  | $ 1,100 |
M2FX Limited |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of outstanding shares acquired |  | 100.00% |  |  |  |
Acquisition price |  | $ 19,000 |  |  |  |

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