XML 55 R37.htm IDEA: XBRL DOCUMENT
v3.19.1

DISPOSITIONS AND SPECIAL (GAINS) CHARGES - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2018 | Dec. 31, 2018 | Sep. 30, 2018 | Aug. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  | $ 178.9 | $ 0.0 | $ 0.0
Special charges, net |  |  |  |  | 0.8 | 0.3 | $ 3.9
Disposed of by Sale | NATG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Ongoing restitution proceedings |  |  |  |  |  | 0.7 |
Discontinued operations incurred special charges related to updating future lease cash flows |  |  |  |  |  | 6.9 |
Charges for updating future lease cash flows |  |  |  |  |  | 6.2 |
Disposed of by Sale | SARL Business Segment |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Combined loss on sale |  |  |  |  |  | 23.7 |
Loss on sale of net assets |  |  |  |  |  | 8.2 |
Translation adjustment |  |  |  |  |  | 14.4 |
Legal, professional and other costs |  |  |  |  |  | 1.1 |
Recovery from settlement |  |  |  |  |  | 0.8 |
Severance and other personnel costs |  |  |  |  |  | 0.3 |
Charges related to transitional services agreement |  |  |  |  |  | 0.5 |
Charges requiring use of cash |  |  |  |  |  | 1.4 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | French Business Unit |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  | $ 175.8 | 175.8 |  |
Proceeds from divestiture of businesses |  |  | $ 267.3 |  |  |  |
Favorable purchase price adjustments |  | $ 0.7 |  |  |  |  |
Disposal group, assets | $ 82.5 | $ 82.5 |  | $ 82.5 | 82.5 |  |
Disposal group, accelerated amortization for share based compensation | 1.5 |  |  |  | 1.5 |  |
Disposal group, transaction and exit costs | 5.1 |  |  |  | 5.1 |  |
Disposal group, operating expense requiring use of cash | $ 5.1 |  |  |  | 5.1 |  |
Transition services, period | 6 months |  |  |  |  |  |
ETG - discontinued | Disposal Group, Disposed of by Sale, Not Discontinued Operations | French Business Unit |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  | 178.9 |  |
NATG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Special charges, net |  |  |  |  | 1.4 |  |
Lease reserves |  |  |  |  | 2.5 |  |
Ongoing restitution proceedings |  |  |  |  | 0.1 |  |
Restitution receipts |  |  |  |  | 1.0 |  |
Vendor settlements |  |  |  |  | 0.2 |  |
NATG and ETG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Special charges, net |  |  |  |  |  | 30.9 |
Continuing Operations | NATG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Special charges, net |  |  |  |  | 0.8 |  |
Continuing Operations | NATG and ETG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Special charges, net |  |  |  |  |  | 0.3 |
Discontinued Operations | NATG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Special charges, net |  |  |  |  | $ 1.7 |  |
Discontinued Operations | NATG and ETG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Special charges, net |  |  |  |  |  | $ 30.6 |

X
- Definition Charges For Updating Future Cash Flows + References No definition available. + Details
Name: | syx_ChargesForUpdatingFutureLeaseCashFlows
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The charge against earnings that represents the legal, professional and other costs from or disposal of business activities or restructurings pursuant to a plan. + References No definition available. + Details
Name: | syx_ChargesRelatedToLegalProfessionalAndOtherCosts
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Charges Related To Recovery From Settlement + References No definition available. + Details
Name: | syx_ChargesRelatedToRecoveryFromSettlement
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Charges related to transitional services agreement + References No definition available. + Details
Name: | syx_Chargesrelatedtotransitionalservicesagreement
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Discontinued Operation, Special Charges Related To Future Lease Cash Flows + References No definition available. + Details
Name: | syx_DiscontinuedOperationSpecialChargesRelatedToFutureLeaseCashFlows
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Accelerated Amortization For Share Based Compensation + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationAcceleratedAmortizationForShareBasedCompensation
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Favorable Purchase Price Adjustments + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationFavorablePurchasePriceAdjustments
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Lease Reserves + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationLeaseReserves
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Operating Expense Requiring Use Of Cash + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationOperatingExpenseRequiringUseOfCash
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Restitution Receipts + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationRestitutionReceipts
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Transaction And Exit Costs + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationTransactionAndExitCosts
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Transition Services Period + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationTransitionServicesPeriod
Namespace Prefix: | syx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disposal Group, Including Discontinued Operation, Vendor Settlements + References No definition available. + Details
Name: | syx_DisposalGroupIncludingDiscontinuedOperationVendorSettlements
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments Of Special Charges + References No definition available. + Details
Name: | syx_PaymentsOfSpecialCharges
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of professional costs related to ongoing restitution proceedings, net attributable to disposal group, including, but not limited to, discontinued operation. + References No definition available. + Details
Name: | syx_ProfessionalCostsRelatedToOngoingRestitutionProceedings
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expenses provided in the period for severance and other personnel costs, attributable to disposal group, including, but not limited to, discontinued operation. + References No definition available. + Details
Name: | syx_SeveranceAndOtherPersonnelCosts
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount special charges charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. + References No definition available. + Details
Name: | syx_SpecialCharges
Namespace Prefix: | syx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 + Details
Name: | us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 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=109223946&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
Name: | us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: 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=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: 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=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
Name: | us-gaap_GainLossOnSaleOfBusiness
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
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_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=syx_NorthAmericanTechnologyProductsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=syx_SARLBusinessSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=syx_FrenchBusinessUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentContinuingOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |