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Geographic and Service Group Information (Tables) | 12 Months Ended
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Dec. 27, 2019
Segment Reporting [Abstract] |
Geographic Revenue from Continuing Operations before Reimbursement | Revenue, which is primarily based on the country of the Company’s contracting entity is attributed to geographic areas as follows (in thousands):
|  | Year Ended |
|  | December 27, |  |  | December 28, |  |  | December 29, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |
North America |  | $ | 221,823 |  |  | $ | 222,054 |  |  | $ | 211,195 |
International (primarily European countries) |  |  | 39,014 |  |  |  | 42,469 |  |  |  | 43,936 |
Revenue from continuing operations before reimbursement |  | $ | 260,837 |  |  | $ | 264,523 |  |  | $ | 255,131 |
Long-Lived Assets Attributable To Geographic Area | Long-lived assets are attributed to geographic areas as follows (in thousands):
|  | December 27, |  |  | December 28, |
|  | 2019 |  |  | 2018 |
Long-lived assets: |  |  |  |  |  |  |  |
North America |  | $ | 91,309 |  |  | $ | 88,317 |
International (primarily European countries) |  |  | 23,799 |  |  |  | 19,344 |
Total long-lived assets |  | $ | 115,108 |  |  | $ | 107,661 |

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- Definition Tabular disclosure of the names of foreign countries in which material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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