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ORGANIZATION AND OPERATIONS OF THE COMPANY - Contract Balances - Adoption of New ASUs (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 27, 2019 | Dec. 28, 2018 | Dec. 29, 2017 | Dec. 30, 2017
Assets |  |  |  |
Accounts receivable, net of allowance for doubtful accounts | $ 57,504 | $ 61,346 | $ 38,441 |
Contract assets | 101,418 | 51,851 | 24,732 |
Liabilities |  |  |  |
Deferred income taxes, net |  |  | 2,463 |
Equity |  |  |  |
Retained earnings | 35,012 | 30,171 | 19,588 |
Cash flows from operating activities: |  |  |  |
Accounts receivable, net of allowance for doubtful accounts | 11,627 | 3,177 | (7,412) |
Contract assets | $ (34,598) | (11,539) | $ (5,744) |
Total cash flows used in operating activities |  | (8,362) |  |
Calculated Under Revenue Guidance In Effect Before Topic 606 | ASC 606 |  |  |  |
Assets |  |  |  |
Accounts receivable, net of allowance for doubtful accounts |  | 68,240 |  | $ (8,560)
Contract assets |  | 44,981 |  | 9,328
Liabilities |  |  |  |
Deferred income taxes, net |  | 112 |  | (215)
Equity |  |  |  |
Retained earnings |  | 29,889 |  | 553
Cash flows from operating activities: |  |  |  |
Accounts receivable, net of allowance for doubtful accounts |  | (3,717) |  |
Contract assets |  | (4,645) |  |
Total cash flows used in operating activities |  | (8,362) |  |
Difference Between Revenue Guidance In Effect Before And After Topic 606 | ASC 606 |  |  |  |
Assets |  |  |  |
Accounts receivable, net of allowance for doubtful accounts |  | (6,894) |  | 29,881
Contract assets |  | 6,870 |  | 34,060
Liabilities |  |  |  |
Deferred income taxes, net |  | (112) |  | 2,248
Equity |  |  |  |
Retained earnings |  | 282 |  | $ 20,141
Cash flows from operating activities: |  |  |  |
Accounts receivable, net of allowance for doubtful accounts |  | 6,894 |  |
Contract assets |  | $ (6,894) |  |

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