XML 78 R61.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Employee Benefit Plans (Plan Asset Details) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
--- | --- | --- | ---
Defined benefit plans |  |  |
Fair value of plan assets | $ 71,376 | $ 65,279 | $ 60,910
Level 1 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 67,575 | 61,506 |
Level 2 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 3,801 | 3,773 |
Cash and cash equivalents |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 11,910 | 9,315 |
Cash and cash equivalents | Level 1 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 11,864 | 9,268 |
Cash and cash equivalents | Level 2 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 46 | 47 |
Equity securities |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 20,985 | 18,640 |
Equity securities | Level 1 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 20,985 | 18,640 |
Debt securities |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 22,373 | 21,781 |
Debt securities | Level 1 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 22,373 | 21,781 |
Swiss real estate funds |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 9,699 | 9,622 |
Swiss real estate funds | Level 1 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 9,699 | 9,622 |
Hedge funds |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 3,507 | 3,492 |
Hedge funds | Level 2 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 3,507 | 3,492 |
Insurance contracts |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 61 | 94 |
Insurance contracts | Level 2 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 61 | 94 |
Other |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 2,841 | 2,335 |
Other | Level 1 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | 2,654 | 2,195 |
Other | Level 2 |  |  |
Defined benefit plans |  |  |
Fair value of plan assets | $ 187 | $ 140 |

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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6749337 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6520858 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=logi_InsuranceContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=logi_OtherPlanAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |