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Summary of Gross Revenues and Reimbursements (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 01, 2016 | Oct. 02, 2015 | Jul. 03, 2015 | Apr. 03, 2015 | Jan. 02, 2015 | Oct. 03, 2014 | Jul. 04, 2014 | Apr. 04, 2014 | Jan. 01, 2016 | Jan. 02, 2015 | Jan. 03, 2014
Gross Revenues And Reimbursements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross revenues |  |  |  |  |  |  |  |  | $ 320,404 |  | $ 313,723 |  | $ 302,742 |
Less: Subcontractor fees |  |  |  |  |  |  |  |  | 7,572 |  | 9,019 |  | 6,574 |
Revenues | $ 73,681 | $ 78,994 | $ 79,864 | $ 80,293 | $ 73,611 | $ 78,557 | $ 76,574 | $ 75,962 | 312,832 | [1] | 304,704 | [1] | 296,168 | [1]
Reimbursements: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Out-of-pocket reimbursements |  |  |  |  |  |  |  |  | 5,967 |  | 5,862 |  | 6,619 |
Other outside direct expenses |  |  |  |  |  |  |  |  | 11,160 |  | 9,633 |  | 9,506 |
Reimbursements |  |  |  |  |  |  |  |  | 17,127 |  | 15,495 |  | 16,125 |
Revenues before reimbursements | $ 69,789 | $ 74,503 | $ 75,272 | $ 76,141 | $ 69,647 | $ 74,264 | $ 72,331 | $ 72,967 | $ 295,705 |  | $ 289,209 |  | $ 280,043 |
[1] | Geographic revenues are allocated based on the location of the client.

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