XML 52 R35.htm IDEA: XBRL DOCUMENT
v3.20.4

Description Of Business And Accounting Policies (Narrative) (Details) | 12 Months Ended
--- | ---
Jan. 01, 2021 USD ($) segment | Jan. 03, 2020 USD ($) | Dec. 28, 2018 USD ($)
Accounting Policies [Line Items] |  |  |
Reportable segments | segment | 4 |  |
Subscription revenue term | 3 years |  |
Unbilled receivables | $ 138,700,000 | $ 129,500,000 |
Depreciation expense | 39,700,000 | 39,400,000 | $ 35,600,000
Accrued warranty expenses | 13,800,000 | 16,300,000 |
Advertising expense | 28,600,000 | 42,700,000 | 42,700,000
Research and development expense with third party funding earned | $ 16,300,000 | 16,500,000 | $ 19,500,000
Land, building, furniture, and leasehold improvements |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 39 years |  |
Minimum |  |  |
Accounting Policies [Line Items] |  |  |
Product Warranty Term | 1 year |  |
Post contract | 1 year |  |
Amortization period | 3 years |  |
Maturity period of derivative financial instrument, minimum, in months | 1 month |  |
Estimated useful lives goodwill and purchased intangible assets, in years | 3 years |  |
Warranty periods for products sold | 1 year |  |
Minimum | Machinery and equipment |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 4 years |  |
Minimum | Furniture and fixtures |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 5 years |  |
Minimum | Computer equipment and software |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 2 years |  |
Minimum | Internal-use of software |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 2 years |  |
Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Product Warranty Term | 2 years |  |
Post contract | 3 years |  |
Amortization period | 7 years |  |
Maturity period of derivative financial instrument, minimum, in months | 2 months |  |
Estimated useful lives goodwill and purchased intangible assets, in years | 10 years |  |
Warranty periods for products sold | 2 years |  |
Maximum | Machinery and equipment |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 6 years |  |
Maximum | Furniture and fixtures |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 10 years |  |
Maximum | Computer equipment and software |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 5 years |  |
Maximum | Internal-use of software |  |  |
Accounting Policies [Line Items] |  |  |
Useful life of asset, in years | 5 years |  |
Weighted average |  |  |
Accounting Policies [Line Items] |  |  |
Estimated useful lives goodwill and purchased intangible assets, in years | 7 years |  |
Forward contracts |  |  |
Accounting Policies [Line Items] |  |  |
Derivative financial instruments accounted for as hedges | $ 0 | $ 0 |

X
- Definition Post Contract Support Term + References No definition available. + Details
Name: | trmb_PostContractSupportTerm
Namespace Prefix: | trmb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Product Warranty Term + References No definition available. + Details
Name: | trmb_ProductWarrantyTerm
Namespace Prefix: | trmb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue Contract Term + References No definition available. + Details
Name: | trmb_RevenueContractTerm
Namespace Prefix: | trmb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warranty Period On Products Sold + References No definition available. + Details
Name: | trmb_WarrantyPeriodOnProductsSold
Namespace Prefix: | trmb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131251-203054 + Details
Name: | us-gaap_CapitalizedContractCostAmortizationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate net fair value of all derivative instruments designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeRemainingMaturity1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6420387&loc=d3e23221-108380 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420387&loc=d3e23199-108380 + Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_UnbilledReceivablesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=trmb_ComputerEquipmentAndSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=trmb_InternalUseOfSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |