XML 39 R52.htm IDEA: XBRL DOCUMENT
v3.20.1

Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 30, 2019 | Mar. 28, 2020 | Mar. 30, 2019 | Dec. 28, 2019
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | $ 1,725 | $ 2,735 |
Impairment charges |  | 2,237 | 0 |
Restructuring costs |  | 3,962 | 2,735 |
Restructuring reserves |  | 3,300 |  | $ 2,700
Employee terminations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges | $ 2,500 | 1,601 | 2,452 |
Other restructuring charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges | $ 300 | 124 | 283 |
Electronics |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 882 | 1,813 |
Impairment charges |  | 0 | 0 |
Restructuring costs |  | 882 | 1,813 |
Electronics | Employee terminations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 881 | 1,800 |
Electronics | Other restructuring charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 1 | 13 |
Automotive |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 519 | 625 |
Impairment charges |  | 0 | 0 |
Restructuring costs |  | 519 | 625 |
Automotive | Employee terminations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 399 | 605 |
Automotive | Other restructuring charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 120 | 20 |
Industrial |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 324 | 297 |
Impairment charges |  |  | 0 |
Restructuring costs |  | 2,561 | 297 |
Industrial | Employee terminations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | 321 | 47 |
Industrial | Facility Closing |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Impairment charges |  | 2,237 |  |
Industrial | Other restructuring charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charges |  | $ 3 | $ 250 |

X
- Definition The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_OtherAssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: 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=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: 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=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_RestructuringCostsAndAssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lfus_ElectronicsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lfus_AutomotiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lfus_IndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_FacilityClosingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |