3.10.0.1 html 364 451 1 false 101 0 false 7 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.pkoh.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.pkoh.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.pkoh.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - Consolidated Statements of Income Sheet http://www.pkoh.com/role/ConsolidatedStatementsOfIncome Consolidated Statements of Income Statements 4 false false R5.htm 1003000 - Statement - Consolidated Statements of Comprehensive Income (Loss) Sheet http://www.pkoh.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income (Loss) Statements 5 false false R6.htm 1004000 - Statement - Consolidated Statement of Shareholders' Equity Sheet http://www.pkoh.com/role/ConsolidatedStatementOfShareholdersEquity Consolidated Statement of Shareholders' Equity Statements 6 false false R7.htm 1004001 - Statement - Consolidated Statement of Shareholders' Equity (Parenthetical) Sheet http://www.pkoh.com/role/ConsolidatedStatementOfShareholdersEquityParenthetical Consolidated Statement of Shareholders' Equity (Parenthetical) Statements 7 false false R8.htm 1005000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.pkoh.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 8 false false R9.htm 1005001 - Statement - Consolidated Statements of Cash Flows (Parenthetical) Sheet http://www.pkoh.com/role/ConsolidatedStatementsOfCashFlowsParenthetical Consolidated Statements of Cash Flows (Parenthetical) Statements 9 false false R10.htm 2101100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 2102100 - Disclosure - Revenue Sheet http://www.pkoh.com/role/Revenue Revenue Notes 11 false false R12.htm 2102100 - Disclosure - Segments Sheet http://www.pkoh.com/role/Segments Segments Notes 12 false false R13.htm 2103100 - Disclosure - Acquisitions Sheet http://www.pkoh.com/role/Acquisitions Acquisitions Notes 13 false false R14.htm 2104100 - Disclosure - Goodwill Sheet http://www.pkoh.com/role/Goodwill Goodwill Notes 14 false false R15.htm 2105100 - Disclosure - Other Intangible Assets Sheet http://www.pkoh.com/role/OtherIntangibleAssets Other Intangible Assets Notes 15 false false R16.htm 2106100 - Disclosure - Financing Arrangements Sheet http://www.pkoh.com/role/FinancingArrangements Financing Arrangements Notes 16 false false R17.htm 2107100 - Disclosure - Income Taxes Sheet http://www.pkoh.com/role/IncomeTaxes Income Taxes Notes 17 false false R18.htm 2108100 - Disclosure - Share-Based Compensation Sheet http://www.pkoh.com/role/ShareBasedCompensation Share-Based Compensation Notes 18 false false R19.htm 2109100 - Disclosure - Commitments, Contingencies and Litigation Settlement Sheet http://www.pkoh.com/role/CommitmentsContingenciesAndLitigationSettlement Commitments, Contingencies and Litigation Settlement Notes 19 false false R20.htm 2110100 - Disclosure - Lease Arrangements Sheet http://www.pkoh.com/role/LeaseArrangements Lease Arrangements Notes 20 false false R21.htm 2113100 - Disclosure - Pensions and Postretirement Benefits Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefits Pensions and Postretirement Benefits Notes 21 false false R22.htm 2114100 - Disclosure - Accumulated Other Comprehensive Income (Loss) Sheet http://www.pkoh.com/role/AccumulatedOtherComprehensiveIncomeLoss Accumulated Other Comprehensive Income (Loss) Notes 22 false false R23.htm 2115100 - Disclosure - Related Party Transaction Sheet http://www.pkoh.com/role/RelatedPartyTransaction Related Party Transaction Notes 23 false false R24.htm 2117100 - Disclosure - Subsequent Events Sheet http://www.pkoh.com/role/SubsequentEvents Subsequent Events Notes 24 false false R25.htm 2118100 - Disclosure - Selected Quarterly Financial Data (Unaudited) Sheet http://www.pkoh.com/role/SelectedQuarterlyFinancialDataUnaudited Selected Quarterly Financial Data (Unaudited) Notes 25 false false R26.htm 2119100 - Schedule - Schedule II - Valuation and Qualifying Accounts and Reserves Sheet http://www.pkoh.com/role/ScheduleIiValuationAndQualifyingAccountsAndReserves Schedule II - Valuation and Qualifying Accounts and Reserves Uncategorized 26 false false R27.htm 2201201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Uncategorized 27 false false R28.htm 2301302 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Uncategorized 28 false false R29.htm 2302301 - Disclosure - Revenue (Tables) Sheet http://www.pkoh.com/role/RevenueTables Revenue (Tables) Uncategorized 29 false false R30.htm 2302301 - Disclosure - Segments (Tables) Sheet http://www.pkoh.com/role/SegmentsTables Segments (Tables) Uncategorized 30 false false R31.htm 2303301 - Disclosure - Acquisitions (Tables) Sheet http://www.pkoh.com/role/AcquisitionsTables Acquisitions (Tables) Uncategorized 31 false false R32.htm 2304301 - Disclosure - Goodwill (Tables) Sheet http://www.pkoh.com/role/GoodwillTables Goodwill (Tables) Uncategorized 32 false false R33.htm 2305301 - Disclosure - Other Intangible Assets (Tables) Sheet http://www.pkoh.com/role/OtherIntangibleAssetsTables Other Intangible Assets (Tables) Uncategorized 33 false false R34.htm 2306301 - Disclosure - Financing Arrangements (Tables) Sheet http://www.pkoh.com/role/FinancingArrangementsTables Financing Arrangements (Tables) Uncategorized 34 false false R35.htm 2307301 - Disclosure - Income Taxes (Tables) Sheet http://www.pkoh.com/role/IncomeTaxesTables Income Taxes (Tables) Uncategorized 35 false false R36.htm 2308301 - Disclosure - Share-Based Compensation (Tables) Sheet http://www.pkoh.com/role/ShareBasedCompensationTables Share-Based Compensation (Tables) Uncategorized 36 false false R37.htm 2310301 - Disclosure - Lease Arrangements (Tables) Sheet http://www.pkoh.com/role/LeaseArrangementsTables Lease Arrangements (Tables) Uncategorized 37 false false R38.htm 2313301 - Disclosure - Pensions and Postretirement Benefits (Tables) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsTables Pensions and Postretirement Benefits (Tables) Uncategorized 38 false false R39.htm 2314301 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) Sheet http://www.pkoh.com/role/AccumulatedOtherComprehensiveIncomeLossTables Accumulated Other Comprehensive Income (Loss) (Tables) Uncategorized 39 false false R40.htm 2318301 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) Sheet http://www.pkoh.com/role/SelectedQuarterlyFinancialDataUnauditedTables Selected Quarterly Financial Data (Unaudited) (Tables) Uncategorized 40 false false R41.htm 2401403 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails Summary of Significant Accounting Policies (Narrative) (Details) Uncategorized 41 false false R42.htm 2401404 - Disclosure - Summary of Significant Accounting Policies (Major Classes of Inventories) (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesMajorClassesOfInventoriesDetails Summary of Significant Accounting Policies (Major Classes of Inventories) (Details) Uncategorized 42 false false R43.htm 2401405 - Schedule - Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) Uncategorized 43 false false R44.htm 2401406 - Disclosure - Summary of Significant Accounting Policies (Depreciation Expense) (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesDepreciationExpenseDetails Summary of Significant Accounting Policies (Depreciation Expense) (Details) Uncategorized 44 false false R45.htm 2401407 - Disclosure - Summary of Significant Accounting Policies (Changes in Product Warranty Liability) (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesChangesInProductWarrantyLiabilityDetails Summary of Significant Accounting Policies (Changes in Product Warranty Liability) (Details) Uncategorized 45 false false R46.htm 2401408 - Disclosure - Summary of Significant Accounting Policies (Weighted-Average Number of Shares Used in Computing Earnings Per Share (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesWeightedAverageNumberOfSharesUsedInComputingEarningsPerShareDetails Summary of Significant Accounting Policies (Weighted-Average Number of Shares Used in Computing Earnings Per Share (Details) Uncategorized 46 false false R47.htm 2401409 - Disclosure - Summary of Significant Accounting Policies (Pension Income and Other Postretirement Benefits Expense (Details) Sheet http://www.pkoh.com/role/SummaryOfSignificantAccountingPoliciesPensionIncomeAndOtherPostretirementBenefitsExpenseDetails Summary of Significant Accounting Policies (Pension Income and Other Postretirement Benefits Expense (Details) Uncategorized 47 false false R48.htm 2402402 - Disclosure - Revenue (Narrative) (Details) Sheet http://www.pkoh.com/role/RevenueNarrativeDetails Revenue (Narrative) (Details) Uncategorized 48 false false R49.htm 2402402 - Disclosure - Segments (Narrative) (Details) Sheet http://www.pkoh.com/role/SegmentsNarrativeDetails Segments (Narrative) (Details) Uncategorized 49 false false R50.htm 2402403 - Disclosure - Revenue (Summary of Disaggregation of Revenue by Product Line) (Details) Sheet http://www.pkoh.com/role/RevenueSummaryOfDisaggregationOfRevenueByProductLineDetails Revenue (Summary of Disaggregation of Revenue by Product Line) (Details) Uncategorized 50 false false R51.htm 2402403 - Disclosure - Segments (Schedule of Segment Information) (Details) Sheet http://www.pkoh.com/role/SegmentsScheduleOfSegmentInformationDetails Segments (Schedule of Segment Information) (Details) Uncategorized 51 false false R52.htm 2402404 - Disclosure - Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) Sheet http://www.pkoh.com/role/RevenueSummaryOfDisaggregationOfRevenueByGeographicalAreaDetails Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) Uncategorized 52 false false R53.htm 2402404 - Disclosure - Segments (Percentage of Net Sales by Product Line) (Details) Sheet http://www.pkoh.com/role/SegmentsPercentageOfNetSalesByProductLineDetails Segments (Percentage of Net Sales by Product Line) (Details) Uncategorized 53 false false R54.htm 2402405 - Disclosure - Segments (Company???s approximate percentage of net sales by geographic region) (Details) Sheet http://www.pkoh.com/role/SegmentsCompanysApproximatePercentageOfNetSalesByGeographicRegionDetails Segments (Company???s approximate percentage of net sales by geographic region) (Details) Uncategorized 54 false false R55.htm 2403402 - Disclosure - Acquisitions (Narrative) (Details) Sheet http://www.pkoh.com/role/AcquisitionsNarrativeDetails Acquisitions (Narrative) (Details) Uncategorized 55 false false R56.htm 2403403 - Disclosure - Acquisitions (Purchase Price) (Details) Sheet http://www.pkoh.com/role/AcquisitionsPurchasePriceDetails Acquisitions (Purchase Price) (Details) Uncategorized 56 false false R57.htm 2404402 - Disclosure - Goodwill (Change in Goodwill) (Details) Sheet http://www.pkoh.com/role/GoodwillChangeInGoodwillDetails Goodwill (Change in Goodwill) (Details) Uncategorized 57 false false R58.htm 2405402 - Disclosure - Other Intangible Assets (Schedule of Other Intangible Assets) (Details) Sheet http://www.pkoh.com/role/OtherIntangibleAssetsScheduleOfOtherIntangibleAssetsDetails Other Intangible Assets (Schedule of Other Intangible Assets) (Details) Uncategorized 58 false false R59.htm 2405403 - Disclosure - Other Intangible Assets (Narrative) (Details) Sheet http://www.pkoh.com/role/OtherIntangibleAssetsNarrativeDetails Other Intangible Assets (Narrative) (Details) Uncategorized 59 false false R60.htm 2405404 - Disclosure - Other Intangible Assets (Amortization Expense) (Details) Sheet http://www.pkoh.com/role/OtherIntangibleAssetsAmortizationExpenseDetails Other Intangible Assets (Amortization Expense) (Details) Uncategorized 60 false false R61.htm 2405405 - Disclosure - Other Intangible Assets (Schedule of Amortization Expense for Subsequent Years) (Details) Sheet http://www.pkoh.com/role/OtherIntangibleAssetsScheduleOfAmortizationExpenseForSubsequentYearsDetails Other Intangible Assets (Schedule of Amortization Expense for Subsequent Years) (Details) Uncategorized 61 false false R62.htm 2406402 - Disclosure - Financing Arrangements (Schedule of Long-term Debt) (Details) Sheet http://www.pkoh.com/role/FinancingArrangementsScheduleOfLongTermDebtDetails Financing Arrangements (Schedule of Long-term Debt) (Details) Uncategorized 62 false false R63.htm 2406403 - Disclosure - Financing Arrangements (Narrative) (Details) Sheet http://www.pkoh.com/role/FinancingArrangementsNarrativeDetails Financing Arrangements (Narrative) (Details) Uncategorized 63 false false R64.htm 2406404 - Disclosure - Financing Arrangements (Fair Value of Debt) (Details) Sheet http://www.pkoh.com/role/FinancingArrangementsFairValueOfDebtDetails Financing Arrangements (Fair Value of Debt) (Details) Uncategorized 64 false false R65.htm 2406405 - Disclosure - Financing Arrangements (Schedule of Maturities of Long-term Debt) (Details) Sheet http://www.pkoh.com/role/FinancingArrangementsScheduleOfMaturitiesOfLongTermDebtDetails Financing Arrangements (Schedule of Maturities of Long-term Debt) (Details) Uncategorized 65 false false R66.htm 2407402 - Disclosure - Income Taxes (Income from Continuing Operations Before Income Taxes) (Details) Sheet http://www.pkoh.com/role/IncomeTaxesIncomeFromContinuingOperationsBeforeIncomeTaxesDetails Income Taxes (Income from Continuing Operations Before Income Taxes) (Details) Uncategorized 66 false false R67.htm 2407403 - Disclosure - Income Taxes (Income Taxes) (Details) Sheet http://www.pkoh.com/role/IncomeTaxesIncomeTaxesDetails Income Taxes (Income Taxes) (Details) Uncategorized 67 false false R68.htm 2407404 - Disclosure - Income Taxes (Narrative) (Details) Sheet http://www.pkoh.com/role/IncomeTaxesNarrativeDetails Income Taxes (Narrative) (Details) Uncategorized 68 false false R69.htm 2407405 - Disclosure - Income Taxes (Reconciliation Between Federal Statutory Tax Rate and Effective Tax Rates) (Details) Sheet http://www.pkoh.com/role/IncomeTaxesReconciliationBetweenFederalStatutoryTaxRateAndEffectiveTaxRatesDetails Income Taxes (Reconciliation Between Federal Statutory Tax Rate and Effective Tax Rates) (Details) Uncategorized 69 false false R70.htm 2407406 - Disclosure - Income Taxes (Significant Components of the Company's Net Deferred Tax Assets and Liabilities) (Details) Sheet http://www.pkoh.com/role/IncomeTaxesSignificantComponentsOfCompanysNetDeferredTaxAssetsAndLiabilitiesDetails Income Taxes (Significant Components of the Company's Net Deferred Tax Assets and Liabilities) (Details) Uncategorized 70 false false R71.htm 2407407 - Disclosure - Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) Sheet http://www.pkoh.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) Uncategorized 71 false false R72.htm 2408402 - Disclosure - Share-Based Compensation (Narrative) (Details) Sheet http://www.pkoh.com/role/ShareBasedCompensationNarrativeDetails Share-Based Compensation (Narrative) (Details) Uncategorized 72 false false R73.htm 2408403 - Disclosure - Share-Based Compensation (Summary of Restricted Share Activity) (Details) Sheet http://www.pkoh.com/role/ShareBasedCompensationSummaryOfRestrictedShareActivityDetails Share-Based Compensation (Summary of Restricted Share Activity) (Details) Uncategorized 73 false false R74.htm 2409401 - Disclosure - Commitments, Contingencies and Litigation Settlement (Details) Sheet http://www.pkoh.com/role/CommitmentsContingenciesAndLitigationSettlementDetails Commitments, Contingencies and Litigation Settlement (Details) Uncategorized 74 false false R75.htm 2410402 - Disclosure - Lease Arrangements (Schedule of Future Minimum Lease Commitments) (Details) Sheet http://www.pkoh.com/role/LeaseArrangementsScheduleOfFutureMinimumLeaseCommitmentsDetails Lease Arrangements (Schedule of Future Minimum Lease Commitments) (Details) Uncategorized 75 false false R76.htm 2410403 - Disclosure - Lease Arrangements (Additional Information) (Details) Sheet http://www.pkoh.com/role/LeaseArrangementsAdditionalInformationDetails Lease Arrangements (Additional Information) (Details) Uncategorized 76 false false R77.htm 2410404 - Disclosure - Lease Arrangements (Schedule of Capital Leased Assets) (Details) Sheet http://www.pkoh.com/role/LeaseArrangementsScheduleOfCapitalLeasedAssetsDetails Lease Arrangements (Schedule of Capital Leased Assets) (Details) Uncategorized 77 false false R78.htm 2413402 - Disclosure - Pensions and Postretirement Benefits (Summary of Change in Defined Benefit and Postretirement Benefit Plans) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryOfChangeInDefinedBenefitAndPostretirementBenefitPlansDetails Pensions and Postretirement Benefits (Summary of Change in Defined Benefit and Postretirement Benefit Plans) (Details) Uncategorized 78 false false R79.htm 2413403 - Disclosure - Pensions and Postretirement Benefits (Summary of Pension Plan Weighted-Average Asset Allocation) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryOfPensionPlanWeightedAverageAssetAllocationDetails Pensions and Postretirement Benefits (Summary of Pension Plan Weighted-Average Asset Allocation) (Details) Uncategorized 79 false false R80.htm 2413404 - Disclosure - Pensions and Postretirement Benefits (Summary of Pension Plan Asset Allocation By Level) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryOfPensionPlanAssetAllocationByLevelDetails Pensions and Postretirement Benefits (Summary of Pension Plan Asset Allocation By Level) (Details) Uncategorized 80 false false R81.htm 2413405 - Disclosure - Pensions and Postretirement Benefits (Summary of Assumptions Used in the valuation of pension and postretirement benefit obligations) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryOfAssumptionsUsedInValuationOfPensionAndPostretirementBenefitObligationsDetails Pensions and Postretirement Benefits (Summary of Assumptions Used in the valuation of pension and postretirement benefit obligations) (Details) Uncategorized 81 false false R82.htm 2413406 - Disclosure - Pensions and Postretirement Benefits (Narrative) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsNarrativeDetails Pensions and Postretirement Benefits (Narrative) (Details) Uncategorized 82 false false R83.htm 2413407 - Disclosure - Pensions and Postretirement Benefits (Summary of Components of Net Periodic Benefit Cost) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryOfComponentsOfNetPeriodicBenefitCostDetails Pensions and Postretirement Benefits (Summary of Components of Net Periodic Benefit Cost) (Details) Uncategorized 83 false false R84.htm 2413408 - Disclosure - Pensions and Postretirement Benefits (Summary Company's Expected Future Benefit Payments) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryCompanysExpectedFutureBenefitPaymentsDetails Pensions and Postretirement Benefits (Summary Company's Expected Future Benefit Payments) (Details) Uncategorized 84 false false R85.htm 2413409 - Disclosure - Pensions and Postretirement Benefits (Summary of One-Percentage-Point Change in Assumed Healthcare Cost Trend Rate) (Details) Sheet http://www.pkoh.com/role/PensionsAndPostretirementBenefitsSummaryOfOnePercentagePointChangeInAssumedHealthcareCostTrendRateDetails Pensions and Postretirement Benefits (Summary of One-Percentage-Point Change in Assumed Healthcare Cost Trend Rate) (Details) Uncategorized 85 false false R86.htm 2414402 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Components of accumulated comprehensive loss) (Details) Sheet http://www.pkoh.com/role/AccumulatedOtherComprehensiveIncomeLossComponentsOfAccumulatedComprehensiveLossDetails Accumulated Other Comprehensive Income (Loss) (Components of accumulated comprehensive loss) (Details) Uncategorized 86 false false R87.htm 2415401 - Disclosure - Related Party Transaction (Details) Sheet http://www.pkoh.com/role/RelatedPartyTransactionDetails Related Party Transaction (Details) Uncategorized 87 false false R88.htm 2417401 - Disclosure - Subsequent Events (Details) Sheet http://www.pkoh.com/role/SubsequentEventsDetails Subsequent Events (Details) Uncategorized 88 false false R89.htm 2418402 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details) Sheet http://www.pkoh.com/role/SelectedQuarterlyFinancialDataUnauditedDetails Selected Quarterly Financial Data (Unaudited) (Details) Uncategorized 89 false false R90.htm 2419401 - Schedule - Schedule II - Valuation and Qualifying Accounts and Reserves (Details) Sheet http://www.pkoh.com/role/ScheduleIiValuationAndQualifyingAccountsAndReservesDetails Schedule II - Valuation and Qualifying Accounts and Reserves (Details) Uncategorized 90 false false R9999.htm Uncategorized Items - pkoh-20181231.xml Sheet http://xbrl.sec.gov/role/uncategorizedFacts Uncategorized Items - pkoh-20181231.xml Cover 91 false false All Reports Book All Reports pkoh-20181231.xml pkoh-20181231.xsd pkoh-20181231_cal.xml pkoh-20181231_def.xml pkoh-20181231_lab.xml pkoh-20181231_pre.xml http://fasb.org/us-gaap/2018-01-31 http://xbrl.sec.gov/country/2017-01-31 http://xbrl.sec.gov/dei/2018-01-31 http://fasb.org/srt/2018-01-31 true true