XML 54 R25.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

SUPPLEMENTAL FINANCIAL STATEMENT DATA (Tables) | 12 Months Ended
--- | ---
Dec. 27, 2019
SUPPLEMENTAL FINANCIAL STATEMENT DATA |
Schedule of accounts receivable |
|  | December 27, |  | December 28,
|  | 2019 |  | 2018
|  | (in thousands)
Billed |  | $ | 58,651 |  | $ | 61,788
Unbilled (1) |  |  | 96,041 |  |  | 45,158
Contract retentions |  |  | 5,377 |  |  | 6,693
Other assets (2) |  |  | 14,075 |  |  | 1,626
|  |  | 174,144 |  |  | 115,265
Allowance for doubtful accounts |  |  | (1,147) |  |  | (442)
|  | $ | 172,997 |  | $ | 114,823
| (1) |  | Unbilled portion represents contract assets which is presented separately from accounts receivable on the consolidated balance sheets.
| (2) |  | Other assets represents a portion of receivables greater than one year from the normal course of business presented separately from current assets on the consolidated balance sheets.
Schedule of the movements in the allowance for doubtful accounts |
|  | Fiscal Year
|  | 2019 |  | 2018 |  | 2017
|  | (in thousands)
Balance as of the beginning of the year |  | $ | 442 |  | $ | 369 |  | $ | 785
(Recovery of) provision for doubtful accounts |  |  | 1,051 |  |  | 470 |  |  | (189)
Write-offs of uncollectible accounts |  |  | (346) |  |  | (397) |  |  | (227)
Balance as of the end of the year |  | $ | 1,147 |  | $ | 442 |  | $ | 369
Schedule of equipment and leasehold improvements |
|  | December 27, |  | December 28,
|  | 2019 |  | 2018
|  | (in thousands)
Furniture and fixtures |  | $ | 4,614 |  | $ | 3,551
Computer hardware and software |  |  | 14,789 |  |  | 10,874
Leasehold improvements |  |  | 2,410 |  |  | 1,419
Equipment under finance leases |  |  | 1,957 |  |  | 1,304
Automobiles, trucks, and field equipment |  |  | 3,564 |  |  | 2,635
|  |  | 27,334 |  |  | 19,783
Accumulated depreciation and amortization |  |  | (15,283) |  |  | (11,785)
Equipment and leasehold improvements, net |  | $ | 12,051 |  | $ | 7,998
Schedule of accrued liabilities |
|  | December 27, |  | December 28,
|  | 2019 |  | 2018
|  | (in thousands)
Accrued subcontractor costs |  | $ | 45,366 |  | $ | 21,446
Accrued bonuses |  |  | 7,756 |  |  | 5,273
Other |  |  | 4,630 |  |  | 2,489
Compensation and payroll taxes |  |  | 3,286 |  |  | 2,544
Employee withholdings |  |  | 3,463 |  |  | 2,137
Paid leave bank |  |  | 3,114 |  |  | 3,512
Total accrued liabilities |  | $ | 67,615 |  | $ | 37,401

X
- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss of financing receivable, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration