XML 43 R26.htm IDEA: XBRL DOCUMENT
v3.22.0.1

RESTRICTED CASH AND INVESTMENTS (Tables) | 12 Months Ended
--- | ---
Dec. 26, 2021
Restricted Cash and Investments [Abstract] |
Schedule of Restricted Cash and Investments | The following is a summary of the carrying value of our restricted cash and investments:
(in thousands) | December 26, 2021 | December 27, 2020
Cash collateral held by insurance carriers | $ | 28,957 |  | $ | 26,025 |
Cash and cash equivalents held in Trust | 21,590 |  | 29,410 |
Investments held in Trust | 135,419 |  | 152,247 |
Deferred compensation investments | — |  | 5,915 |
Company-owned life insurance policies | 32,318 |  | 26,267 |
Other restricted cash and cash equivalents | 2,742 |  | 670 |
Total restricted cash and investments | $ | 221,026 |  | $ | 240,534 |
Schedule of Held-to-Maturity Investments | The amortized cost and estimated fair value of our held-to-maturity investments held in Trust, aggregated by investment category as of December 26, 2021 and December 27, 2020, were as follows:
| December 26, 2021
(in thousands) | Amortized cost | Gross unrealized gains | Gross unrealized losses | Fair value
Municipal debt securities | $ | 56,346 |  | $ | 2,159 |  | $ | — |  | $ | 58,505 |
Corporate debt securities | 77,925 |  | 995 |  | (563) |  | 78,357 |
Agency mortgage-backed securities | 148 |  | 4 |  | — |  | 152 |
U.S. government and agency securities | 1,000 |  | 70 |  | — |  | 1,070 |
Total held-to-maturity investments | $ | 135,419 |  | $ | 3,228 |  | $ | (563) |  | $ | 138,084 |
| December 27, 2020
(in thousands) | Amortized cost | Gross unrealized gains | Gross unrealized losses | Fair value
Municipal debt securities | $ | 67,287 |  | $ | 3,436 |  | $ | — |  | $ | 70,723 |
Corporate debt securities | 83,467 |  | 2,511 |  | (41) |  | 85,937 |
Agency mortgage-backed securities | 493 |  | 19 |  | — |  | 512 |
U.S. government and agency securities | 1,000 |  | 124 |  | — |  | 1,124 |
Total held-to-maturity investments | $ | 152,247 |  | $ | 6,090 |  | $ | (41) |  | $ | 158,296 |
Schedule of Held-to-Maturity Investments by Contractual Maturity | The amortized cost and fair value by contractual maturity of our held-to-maturity investments are as follows:
| December 26, 2021
(in thousands) | Amortized cost | Fair value
Due in one year or less | $ | 23,828 |  | $ | 24,023 |
Due after one year through five years | 109,572 |  | 112,010 |
Due after five years through ten years | 2,019 |  | 2,051 |
Total held-to-maturity investments | $ | 135,419 |  | $ | 138,084 |
Schedule of Unrealized Gain Loss on Investments | Unrealized gains and losses related to these investments held at December 26, 2021, December 27, 2020 and December 29, 2019, included in SG&A expense on our Consolidated Statements of Operations and Comprehensive Income (Loss), were as follows:
(in thousands) | 2021 | 2020 | 2019
Unrealized gains (losses) | $ | 1,061 |  | $ | 723 |  | $ | 2,814 |

X
- Definition Tabular disclosure for investment and cash items that are pledged or subject to withdrawal and/or usage restrictions. + References No definition available. + Details
Name: | tbi_ScheduleOfRestrictedCashAndInvestmentsTableTextBlockTableTextBlock
Namespace Prefix: | tbi_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269825-111563 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration