Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations and Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Revenue Recognition, Multiple-deliverable Arrangements [Table]
Revenue Recognition, Multiple-deliverable Arrangements [Table]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Anadarko [Member]
Anadarko [Member]
Anadarko [Member]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Principles, Early Adoption [Domain]
New Accounting Principles, Early Adoption [Domain]
Accounting Standards Update 2018-02 [Member]
Accounting Standards Update 2018-02 [Member]
Accounting Standards Update 2018-02 [Member]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Saudi Aramco [Member]
Saudi Aramco [Member]
Saudi Aramco [Member]
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Parent Company [Member]
Parent Company [Member]
Type of Arrangement and Non-arrangement Transactions [Axis]
Type of Arrangement and Non-arrangement Transactions [Axis]
Arrangements and Non-arrangement Transactions [Domain]
Arrangements and Non-arrangement Transactions [Domain]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Rowan Resolute [Member]
Rowan Resolute [Member]
Rowan Resolute [Member]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Saudi Arabia Joint Venture [Member]
Saudi Arabia Joint Venture [Member]
Saudi Arabia Joint Venture [Member]
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2016-02 [Member]
Accounting Standards Update 2016-02 [Member]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Retained earnings [Member]
Retained Earnings [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Number of Operating Segments
Number of Operating Segments
Equity Method Investment, Ownership Percentage
Equity Method Investment, Ownership Percentage
Number of ultra-deepwater drillships
Number of Drillships
Number of Drillships.
Number of fleet of self-elevating mobile offshore jack-up drilling units
Number of fleet of self-elevating mobile offshore jack-up drilling units
Number of fleet of self-elevating mobile offshore jack-up drilling units.
Contracts Revenue, Early Termination of Contract
Contracts Revenue, Early Termination Of Contract
Contracts Revenue, Early Termination Of Contract
Oil and Gas Delivery Commitments and Contracts, Fixed Price
Oil and Gas Delivery Commitments and Contracts, Fixed Price
Cumulative effect of new accounting principle in period of adoption
Cumulative Effect of New Accounting Principle in Period of Adoption
Other
Other Operating Activities, Cash Flow Statement
Undiscounted future minimum lease commitments
Operating Leases, Future Minimum Payments Due
Estimated present value of future lease commitments
Operating Leases, Future Minimum Payments, Present Value of Net Minimum Payments
Present value of minimum lease payments for operating leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.
Statement of Cash Flows [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss
Net Income (Loss) Attributable to Parent
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization
Equity in earnings of unconsolidated subsidiary
Income (Loss) from Equity Method Investments
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Provision for pension and other postretirement benefits
Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Share-based compensation expense
Share-based Compensation
Loss on disposals of property and equipment
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Other
Changes in current assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Receivables - trade and other
Increase (Decrease) in Accounts and Other Receivables
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Accounts payable
Increase (Decrease) in Accounts Payable, Trade
Accrued income taxes
Increase (Decrease) in Income Taxes Payable
Other current liabilities
Increase (Decrease) in Other Accrued Liabilities
Other postretirement benefit claims paid
Payment for Other Postretirement Benefits
Contributions to pension plans
Payment for Pension Benefits
Deferred revenue
Increase (Decrease) in Deferred Revenue
Net changes in other noncurrent assets and liabilities
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net cash provided by (used in) operating activities
Net Cash Provided by (Used in) Operating Activities
CASH FLOWS FROM INVESTING ACTIVITIES:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Capital expenditures
Payments to Acquire Property, Plant, and Equipment
Purchase of rigs
Payments to Acquire Other Property, Plant, and Equipment
Investment in unconsolidated subsidiary
Payments to Acquire Interest in Joint Venture
Repayments of note receivable from unconsolidated subsidiary
Proceeds from Collection of Long-term Loans to Related Parties
Proceeds from disposals of property and equipment
Proceeds from Sale of Property, Plant, and Equipment
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
CASH FLOWS FROM FINANCING ACTIVITIES:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Reductions of long-term debt
Repayments of Long-term Debt
Debt issue costs
Payments of Debt Issuance Costs
Shares repurchased for tax withholdings on vesting of restricted share units
Payments Related to Tax Withholding for Share-based Compensation
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
DECREASE IN CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents, Period Increase (Decrease)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD
Cash and Cash Equivalents, at Carrying Value
CASH AND CASH EQUIVALENTS, END OF PERIOD
Statement of Comprehensive Income [Abstract]
NET LOSS
OTHER COMPREHENSIVE INCOME:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net changes in pension and other postretirement plan assets and benefit obligations recognized in other comprehensive income, net of income tax expense of $4.2 and $0 for the three months ended June 30, 2018, and 2017, respectively and $4.2 and $0 for the six months ended June 30, 2018, and 2017, respectively (see Note 5).
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax
Net reclassification adjustment for amounts recognized in net loss as a component of net periodic benefit cost, net of income tax expense of $0.5 and $0.5 for the three months ended June 30, 2018, and 2017, respectively, and $1.2 and $1.0 for the six months ended June 30, 2018, and 2017, respectively (see Note 5 and 9).
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax
Total Other Comprehensive Income
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
COMPREHENSIVE LOSS
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Revenue Recognition
Revenue from Contract with Customer [Policy Text Block]
New Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
CURRENT ASSETS:
Assets, Current [Abstract]
Cash and cash equivalents
Receivables - trade and other
Accounts and Other Receivables, Net, Current
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
PROPERTY AND EQUIPMENT:
Property, Plant and Equipment [Abstract]
Drilling equipment
Machinery and Equipment, Gross
Other property and equipment
Property, Plant and Equipment, Other, Gross
Property and equipment - gross
Property, Plant and Equipment, Gross
Less accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment - net
Property, Plant and Equipment, Net
Long-term note receivable from unconsolidated subsidiary
Due from Joint Ventures, Noncurrent
Investment in unconsolidated subsidiary
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Other assets
Other Assets, Noncurrent
TOTAL ASSETS
Assets
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities and Equity [Abstract]
CURRENT LIABILITIES:
Liabilities, Current [Abstract]
Accounts payable - trade
Accounts Payable, Trade, Current
Deferred revenues
Contract with Customer, Liability, Current
Accrued liabilities
Accrued Liabilities, Current
Total current liabilities
Liabilities, Current
Long-term debt
Long-term Debt, Excluding Current Maturities
Other liabilities
Other Liabilities, Noncurrent
Deferred income taxes - net
Deferred Income Tax Liabilities, Net
Commitments and contingent liabilities
Commitments and Contingencies
SHAREHOLDERS' EQUITY:
Stockholders' Equity Attributable to Parent [Abstract]
Class A Ordinary Shares, $0.125 par value; 128.2 and 128.1 shares issued, respectively; 127.0 and 126.3 shares outstanding, respectively
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital
Retained earnings
Retained Earnings (Accumulated Deficit)
Cost of 1.2 and 1.8 treasury shares, respectively
Treasury Stock, Value
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total shareholders' equity
Stockholders' Equity Attributable to Parent
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities and Equity
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingent Liabilities
Commitments and Contingencies Disclosure [Text Block]
Equity [Abstract]
Schedule of Amounts Reclassified out of Each Component of Accumulated Other Comprehensive Loss
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on a Recurring Basis [Table Text Block]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Fair Value, Concentration of Risk [Table Text Block]
Fair Value, Concentration of Risk [Table Text Block]
Earnings Per Share [Abstract]
Earnings Per Share
Earnings Per Share [Text Block]
Retirement Benefits [Abstract]
Summary of Net Periodic Pension and Other Postemployment Benefit Costs
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Contract with Customer, Asset and Liability [Abstract]
Schedule of Contract Assets and Contract Liabilities
Contract with Customer, Asset and Liability [Table Text Block]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Deferred Revenue [Member]
Deferred Revenue [Member]
Deferred Revenue [Member]
Prepaid Expenses and Other Current Assets [Member]
Prepaid Expenses and Other Current Assets [Member]
Other Noncurrent Liabilities [Member]
Other Noncurrent Liabilities [Member]
Other Assets [Member]
Other Assets [Member]
Deferred Costs [Abstract]
Deferred Costs [Abstract]
Contract assets, current
Contract with Customer, Asset, Gross, Current
Contract assets, non-current
Contract with Customer, Asset, Gross, Noncurrent
Contract assets
Contract with Customer, Asset, Gross
Contract Liabilities [Abstract]
Contract with Customer, Liability [Abstract]
Contract liabilities, current
Contract liabilities, noncurrent
Contract with Customer, Liability, Noncurrent
Contract liabilities
Contract with Customer, Liability
Movement in Deferred costs [Rollforward]
Movement in Deferred Costs [Roll Forward]
Movement in Deferred Costs [Roll Forward]
Beginning balance
Plus: contractual additions
Contract with Customer, Asset, Contractual Additions
Contract with Customer, Asset, Contractual Additions
Less: amortization
Capitalized Contract Cost, Amortization
Ending deferred mobilization and upgrade/modification costs
Movement in Deferred Revenue [Roll Forward]
Movement in Deferred Revenue [Roll Forward]
Beginning balance
Plus: contractual additions
Contract with Customer, Liability, Contractual Additions
Contract with Customer, Liability, Contractual Additions
Less: amortization
Contract with Customer, Liability, Revenue Recognized
Ending deferred mobilization and upgrade/modification revenue
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Recurring Basis [Member]
Fair Value, Measurements, Recurring [Member]
Currency [Axis]
Currency [Axis]
All Currencies [Domain]
All Currencies [Domain]
Egypt, Pounds
Egypt, Pounds
Angola, Kwanza
Angola, Kwanza
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term Debt, Fair Value
Long-term Debt, Fair Value
Other Assets
Other Assets
Concentration Risk [Table]
Concentration Risk [Table]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Fair Value, Concentration of Risk, Disclosure Items [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Deepwater Segment [Member]
Deepwater Segment [Member]
Deepwater Segment [Member]
Jack-ups [Member]
Jack-ups Segment [Member]
Jack-ups Segment [Member]
Lundin [Member]
Lundin [Member]
Lundin [Member]
Repsol [Member]
Repsol [Member]
Repsol [Member]
Cobalt International [Member]
Cobalt International [Member]
Cobalt International[Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Accounts Receivable [Member]
Accounts Receivable [Member]
Sales Revenue, Services, Net [Member]
Sales Revenue, Services, Net [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Concentration Risk, Percentage
Concentration Risk, Percentage
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Other assets
Other Assets, Fair Value Disclosure
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Other Current Liabilities [Member]
Other Current Liabilities [Member]
Award Date [Axis]
Award Date [Axis]
Award Date [Domain]
Award Date [Domain]
February 27, 2018 Grant [Member]
February 27, 2018 Grant [Member]
February 27, 2018 Grant [Member]
Award Type [Axis]
Equity Award [Domain]
Restricted Share Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Performance Shares [Member]
Performance Shares [Member]
Vesting [Axis]
Vesting [Axis]
Vesting [Domain]
Vesting [Domain]
One-Year Period Ending December 31, 2018 [Member]
Share-based Compensation Award, Tranche One [Member]
One-Year Period Ending December 31, 2019 [Member]
Share-based Compensation Award, Tranche Two [Member]
One-Year Period Ending December 31, 2020 [Member]
Share-based Compensation Award, Tranche Three [Member]
Three-Year Period Ending December 31, 2020 [Member]
Share-based Compensation Award, Total Period [Member]
Share-based Compensation Award, Total Period [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based awards, grant-date fair value
Share-Based Compensation Arrangement By Share-Based Payment Award Equity Instruments Other Than Options, Aggregate Grant Date Fair Value1
The aggregate fair value as of the grant date of equity-based award plans other than stock (unit) option plans.
Weighted-average period for remaining recognition of compensation expense
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Awards vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Target value of P-Units (in dollars per unit)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Target Value, Per Share Amount
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Target Value, Per Share Amount
Expected payout on P-Units (in dollars per unit)
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Expected Per Share Amount
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Expected Per Share Amount
Performance unit value percentage determined on an annual performance
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Unit Value Determined On Annual Performance
The percentage of the performance unit value determined on annual performance.
Period for value determination
Share-based Compensation Arrangement by Share-based Payment Award, Period For Value Determination
Share-based Compensation Arrangement by Share-based Payment Award, Period For Value Determination
Performance unit value percentage determined on total vesting period performance
Share-based Compensation Arrangement by Share-based Payment Award, Performance Unit Value Determined On Total Vesting Period Performance
The percentage of the performance unit value determined on total vesting period performance.
Estimated liabilities for share-based compensation awards classified as short-term
Deferred Compensation Share-based Arrangements, Liability, Current
Estimated liabilities for share-based compensation awards classified as long-term
Deferred Compensation Share-based Arrangements, Liability, Classified, Noncurrent
Unrecognized compensation cost related to nonvested share-based compensation arrangements
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Segment Reporting [Abstract]
Schedule of Segment Information
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Revenue from External Customers by Products and Services [Table Text Block]
Revenue from External Customers by Products and Services [Table Text Block]
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount
Revenue, Remaining Performance Obligation, Amount
Capitalized Contract Cost, Net, Current
Capitalized Contract Cost, Net, Current
Capitalized Contract Cost, Net, Noncurrent
Capitalized Contract Cost, Net, Noncurrent
Capitalized Contract Cost, Net
Capitalized Contract Cost, Net
Statement of Stockholders' Equity [Abstract]
Retirement benefit adjustments, taxes
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Net reclassification adjustments for amounts recognized in net income as a component of net periodic benefit cost, tax expense
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax
Net changes in pension and other postretirement plan assets and benefit obligations recognized in other comprehensive income, tax expense
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax
Fair Value Measurements
Fair Value Disclosures [Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Share Options and Appreciation Rights [Member]
Share Options and Appreciation Rights [Member]
share Options and Appreciation Rights [Member]
Novested Restricted Shares and Restricted Share Units [Member]
Novested Restricted Shares and Restricted Share Units [Member]
Novested Restricted Shares and Restricted Share Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive shares (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Segment Information
Segment Reporting Disclosure [Text Block]
Share-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Condensed Financial Information Disclosure [Abstract]
Condensed Consolidating Income Statements
Condensed Income Statement [Table Text Block]
Statements of Comprehensive Income (Loss)
Condensed Statement of Comprehensive Income [Table Text Block]
Condensed Consolidating Balance Sheets
Condensed Balance Sheet [Table Text Block]
Consolidating Statements of Cash Flows
Condensed Cash Flow Statement [Table Text Block]
Income Statement [Abstract]
REVENUE
Revenue from Contract with Customer, Excluding Assessed Tax
COSTS AND EXPENSES:
Costs and Expenses [Abstract]
Direct operating costs (excluding items below)
Cost of Services, Oil and Gas
Depreciation and amortization
Cost, Depreciation, Amortization and Depletion
Selling, general and administrative
Selling, General and Administrative Expense
Loss on disposals of property and equipment
Gain (Loss) on Disposition of Property Plant Equipment
Total costs and expenses
Costs and Expenses
Equity in earnings of unconsolidated subsidiary
INCOME (LOSS) FROM OPERATIONS
Operating Income (Loss)
OTHER INCOME (EXPENSE):
Component of Operating Income [Abstract]
Interest expense
Interest Expense
Interest income
Investment Income, Interest
Gain on extinguishment of debt
Gain (Loss) on Extinguishment of Debt
Other - net
Other Nonoperating Income (Expense)
Total other (expense) - net
Nonoperating Income (Expense)
INCOME (LOSS) BEFORE INCOME TAXES
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Provision (benefit) for income taxes
Income Tax Expense (Benefit)
NET LOSS
NET LOSS PER SHARE - BASIC AND DILUTED (in dollars per share)
Earnings Per Share, Basic and Diluted
Weighted Average Number of Shares Outstanding, Basic and Diluted
Weighted Average Number of Shares Outstanding, Basic and Diluted
Equity Method Investments and Joint Ventures [Abstract]
Schedule of Related Party Transactions [Table Text Block]
Schedule of Related Party Transactions [Table Text Block]
Equity Method Investments [Table Text Block]
Equity Method Investments [Table Text Block]
Other Financial Statement Disclosures [Abstract]
-- None. No documentation exists for this element. --
Other Financial Statement Disclosures
Additional Financial Information Disclosure [Text Block]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
London Interbank Offered Rate (LIBOR) [Member]
London Interbank Offered Rate (LIBOR) [Member]
Base Rate [Member]
Base Rate [Member]
Line Of Credit, Borrowing Capacity, Period [Axis]
Line Of Credit, Borrowing Capacity, Period [Axis]
Line Of Credit, Borrowing Capacity, Period [Axis]
Line Of Credit, Borrowing Capacity, Period [Domain]
Line Of Credit, Borrowing Capacity, Period [Domain]
[Domain] for Line Of Credit, Borrowing Capacity, Period [Axis]
Matures on January 23 2019
Matures on January 23, 2019 [Member]
Matures on January 23, 2019
Matures on January 23, 2020
Matures on January 23, 2020 [Member]
Matures on January 23, 2020
Matures on January 23 2021
Matures on January 23, 2021 [Member]
Matures on January 23, 2021
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Existing Revolving Credit Facility [Member]
Existing Revolving Credit Facility [Member]
Existing Revolving Credit Facility [Member]
New Revolving Credit Facility [Member]
New Revolving Credit Facility [Member]
New Revolving Credit Facility [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Subject Notes [Member]
Senior Notes [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
5% Senior Notes, due September 2017 [Member]
Senior Note Payable Due September 2017 [Member]
A debt obligation which matures in September 2017.
7.875% Senior Notes, due August 2019 [Member]
Senior Note Payable Due August 2019 [Member]
A debt obligation which matures in August 2019.
4.875% Senior Notes, due June 2022 [Member]
Senior Note Payable Due June 2022 [Member]
A debt obligation which matures in June 2022.
4.75% Senior Notes, due January 2024 [Member]
Senior Note Payable Due January 2024 [Member]
Senior Note Payable Due January 2024 [Member]
7.375% Senior Note Payable Due June 2025 [Member]
Senior Note Payable Due June 2025 [Member]
Senior Note Payable Due June 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Terms
Line of Credit Facility, Covenant Terms
Line of Credit Facility, Letter of Credit Borrowing Capacity
Line of Credit Facility, Letter of Credit Borrowing Capacity
Line of Credit Facility, Letter of Credit Borrowing Capacity
Line of Credit Facility, Swingline Borrowing Capacity
Line of Credit Facility, Swingline Borrowing Capacity
Line of Credit Facility, Swingline Borrowing Capacity
Line of Credit Facility, Restriction
Line of Credit Facility, Restriction
Restriction of the entity to borrow under the credit facility based on the available cash on hand.
Availability under Revolving Credit Facility
Line of Credit Facility, Current Borrowing Capacity
Amounts outstanding under credit facility
Long-term Line of Credit
Letters of credit issued
Letters of Credit Outstanding, Amount
Remaining availability under credit facility
Line of Credit Facility, Remaining Borrowing Capacity
Line of Credit Facility, Additional Borrowing Capacity
Line of Credit Facility, Additional Borrowing Capacity
Maximum addition borrowing capacity under the credit facility elect by borrower with additional commitments from new or existing lenders.
Debt Instrument, Basis Spread on Variable Rate
Debt Instrument, Basis Spread on Variable Rate
Line of Credit Facility, Commitment Fee Percentage
Line of Credit Facility, Commitment Fee Percentage
Line of Credit Facility, Covenant, Ratio of Indebtedness to Net Capital
Line of Credit Facility, Covenant, Ratio of Indebtedness to Net Capital
Restrictive Provisions in the entities debt agreements to maintain the ratio of debt to net capital.
Line of Credit Facility, Covenant, Liquidity
Line of Credit Facility, Covenant, Liquidity
Restrictive provisions in the entities debt agreements require the entity to maintain the amount of liquidity at the end of the period.
Line of Credit Facility, Covenant, Marketed Rig Value Ratio
Line of Credit Facility, Covenant, Marketed Rig Value Ratio
Restrictive provisions in the entities debt agreements require the entity to maintain the minimum ratio of total rigs marketed or under contract with a customer to the sum of commitments at 3:1.
Line of Credit Facility, Covenant, Guaranteed Rig Value Ratio
Line of Credit Facility, Covenant, Guaranteed Rig Value Ratio
Restrictive provisions in the entities debt agreements require the entity to maintain the minimum ratio of total rigs owned by the company and its guaranteed subsidiaries to the total rigs owned by the company.
Debt instrument, face amount of tender offer
Debt Instrument, Face Amount Of Tender Offer
Face (par) amount of debt instrument in which a tender offer is made.
Early repayment of debt
Early Repayment of Senior Debt
Aggregate amount of debt paid
Extinguishment of Debt, Amount
Gain (loss) on extinguishment of debt
Payment for Debt Extinguishment or Debt Prepayment Cost
Payment for Debt Extinguishment or Debt Prepayment Cost
Principal amount
Debt Instrument, Face Amount
Debt Instrument Redemption Amount as Percentage of Principal
Debt Instrument Redemption Amount as Percentage of Principal
Refers to debt instrument redemption amount as a percentage of principal.
Shareholders' Equity
Stockholders' Equity Note Disclosure [Text Block]
Long-term Purchase Commitment [Table]
Long-term Purchase Commitment [Table]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment [Line Items]
Number Of Drilling Rigs To Be Purchased By Joint Venture
Number Of Drilling Rigs To Be Purchased By Joint Venture
The number of drilling rigs expected to be purchase by the joint venture.
Period Of Joint Venture Funding Of Drilling Rigs
Period Of Joint Venture Funding Of Drilling Rigs
The period of joint venture funding of the purchase of drilling rigs (in PYMD format).
Contingent Funding Obligation To Equity Method Investment
Contingent Funding Obligation To Equity Method Investment
An equity method investment contribution that may be required that is dependent upon the occurrence of a specific event.
Number Of Drilling Rigs To Be Purchased By Each Partner in a 12 month period
Number Of Drilling Rigs To Be Purchased By Each Partner in a 12 month period
Number Of Drilling Rigs To Be Purchased By Each Partner in a 12 month period
IRS proposed unfavorable tax adjustments
Income Tax Examination, Estimate of Possible Loss
Gross unrecognized tax benefits
Unrecognized Tax Benefits
Tax impact of net unrecognized tax benefits, if reversed
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Loss Contingency, Estimate of Possible Loss
Loss Contingency, Estimate of Possible Loss
Statement [Table]
Statement [Table]
Class A ordinary shares/ Common stock [Member]
Common Stock [Member]
Additional paid-in capital [Member]
Additional Paid-in Capital [Member]
Treasury shares [Member]
Treasury Stock [Member]
Accumulated other comprehensive income (loss) [Member]
AOCI Attributable to Parent [Member]
Statement [Line Items]
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)
Shares, Outstanding
Beginning Balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Net shares issued (acquired) under share-based compensation plans (in shares)
Stock Issued During Period, Shares, New Issues
Net shares issued (acquired) under share-based compensation plans
Stock Issued During Period, Value, New Issues
Share-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition
Adoption of new accounting standards (see Note 1)
Retirement benefit adjustments, net of taxes
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Other
Stockholders' Equity, Other
Ending Balance (in shares)
Ending Balance
Trade
Accounts Receivable, Net, Current
Income tax
Income Taxes Receivable, Current
Other
Other Receivables, Net, Current
Total receivables - trade and other
Schedule of Condensed Financial Statements [Table]
Condensed Financial Statements [Table]
Rowan plc (Parent) [Member]
RCI (Issuer) [Member]
Guarantor Subsidiaries [Member]
Non-guarantor subsidiaries [Member]
Non-Guarantor Subsidiaries [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Reportable Legal Entities [Member]
Reportable Legal Entities [Member]
Consolidating adjustments [Member]
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Condensed Financial Statements, Captions [Line Items]
Condensed Consolidating Income Statements
COSTS AND EXPENSES:
OTHER INCOME (EXPENSE):
Provision (benefit) for income taxes
Equity in earnings (losses) of subsidiaries, net of tax
Equity In Earnings Of Subsidiaries Net Of Tax
The portion of profit or loss for the period, net of income taxes, which is attributable to the subsidiaries.
Statements of Comprehensive Income (Loss)
NET INCOME (LOSS)
OTHER COMPREHENSIVE INCOME:
Net changes in pension and other postretirement plan assets and benefit obligations recognized in other comprehensive income, net of income tax expense of $4.2 and $0 for the three months ended June 30, 2018, and 2017, respectively and $4.2 and $0 for the six months ended June 30, 2018, and 2017, respectively (see Note 5).
Net reclassification adjustment for amounts recognized in net income (loss) as a component of net periodic benefit cost, net of income taxes
Condensed Consolidating Balance Sheets
CURRENT ASSETS:
Receivables - trade and other
Prepaid expenses and other current assets
Property and equipment - gross
Investment in Consolidated Subsidiary
Investment in Consolidated Subsidiary
Investment in Consolidated Subsidiary
Due from affiliates
Due from Related Parties, Noncurrent
Other assets
CURRENT LIABILITIES:
Accounts payable - trade
Due to affiliates
Due to Related Parties, Noncurrent
Shareholders' equity
Consolidating Statements of Cash Flows
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of rigs
Proceeds from (Payments for) Other Financing Activities
Investments in consolidated subsidiaries
Proceeds From (Payments To) Divestiture (Acquisition) Of Interest In Consolidated Subsidiaries
Proceeds from (payments to) divestiture (acquisition) of interest In consolidated subsidiaries
CASH FLOWS FROM FINANCING ACTIVITIES:
Advances (to) from affiliates
Advances To (From) Affiliates
The cash outflow (inflow) from borrowings with related parties. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts.
Contributions from issuer
Proceeds from Contributions from Parent
Debt issue costs
Proceeds from exercise of share options
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Common Class A [Member]
Common Class A [Member]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Treasury shares (in shares)
Treasury Stock, Shares
Pension and other postretirement benefits
Liability, Defined Benefit Plan, Current
Compensation and related employee costs
Accrued Employee Benefits, Current
Interest
Interest Payable, Current
Income taxes
Accrued Income Taxes, Current
Other
Other Accrued Liabilities, Current
Total accrued liabilities
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Amortization of Net Loss [Member]
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Amortization of Prior Service Credit [Member]
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts recognized as a component of net periodic pension and other postretirement benefit cost:
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax [Abstract]
Total before income taxes
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Income tax benefit
Reclassification from AOCI, Current Period, Tax
Total reclassifications for the period, net of income taxes
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Guarantees of Registered Securities
Condensed Financial Information of Parent Company Only Disclosure [Text Block]
Document and Entity Information [Abstract]
-- None. No documentation exists for this element. --
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Schedule of Variable Interest Entities [Table]
Schedule of Variable Interest Entities [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Interest Income [Member]
Interest Income [Member]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Rig Management Services [Member]
Rig Management Services [Member]
Rig Management Services [Member]
Secondment Revenue [Member]
Secondment Revenue [Member]
Secondment Revenue [Member]
Lease Revenue [Member]
Lease Revenue [Member]
Lease Revenue [Member]
Transition Services Revenue [Member]
Transition Services Revenue [Member]
Transition Services Revenue [Member]
Sales of Supplies [Member]
Sales of Supplies [Member]
Sales of Supplies
ARO Drilling
ARO Drilling [Member]
ARO Drilling [Member]
Purchase of Supplies from Joint Venture [Member]
Purchase of Supplies from Joint Venture [Member]
Purchase of Supplies from Joint Venture [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Equity Method Investment, Summarized Financial Information, Revenue
Equity Method Investment, Summarized Financial Information, Revenue
Equity Method Investment, Summarized Financial Information, Cost of Sales
Equity Method Investment, Summarized Financial Information, Cost of Sales
Equity Method Investment, Summarized Financial Information, Depreciation and Amortization
Equity Method Investment, Summarized Financial Information, Depreciation and Amortization
Equity Method Investment, Summarized Financial Information, Depreciation and Amortization
Equity Method Investment, Summarized Financial Information, Selling, general and administrative expense
Equity Method Investment, Summarized Financial Information, Selling, general and administrative expense
Equity Method Investment, Summarized Financial Information, Selling, general and administrative expense
Equity Method Investment, Summarized Financial Information, Gain (Loss) on disposal of property, plant and equipment
Equity Method Investment, Summarized Financial Information, Gain (Loss) on disposal of property, plant and equipment
Equity Method Investment, Summarized Financial Information, (Gain) Loss on disposal of property, plant and equipment
Equity Method Investment, Summarized Financial Information, Interest Expense
Equity Method Investment, Summarized Financial Information, Interest Expense
Equity Method Investment, Summarized Financial Information, Interest Expense
Equity Method Investment, Summarized Financial Information, Income Tax Expense (benefit)
Equity Method Investment, Summarized Financial Information, Income Tax Expense (benefit)
Equity Method Investment, Summarized Financial Information, Income Tax Expense (benefit)
Equity Method Investment, Summarized Financial Information, Net Income (Loss)
Equity Method Investment, Summarized Financial Information, Net Income (Loss)
Equity Method Investment, Summarized Financial Information [Abstract]
Equity Method Investment, Summarized Financial Information [Abstract]
Equity Method Investment, Summarized Financial Information, Current Assets
Equity Method Investment, Summarized Financial Information, Current Assets
Equity Method Investment, Summarized Financial Information, Noncurrent Assets
Equity Method Investment, Summarized Financial Information, Noncurrent Assets
Equity Method Investment, Summarized Financial Information, Assets
Equity Method Investment, Summarized Financial Information, Assets
Equity Method Investment, Summarized Financial Information, Current Liabilities
Equity Method Investment, Summarized Financial Information, Current Liabilities
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities
Equity Method Investment, Summarized Financial Information, Liabilities
Equity Method Investment, Summarized Financial Information, Liabilities
Contribution to joint venture
Contribution to joint venture
Contribution to ARO in exchange for a 10-year shareholder note receivable.
Due from Joint Venture, Initial Amount
Due from Joint Venture, Initial Amount
Due from Joint Venture, Initial Amount
Loans Receivable, Basis Spread on Variable Rate
Loans Receivable, Basis Spread on Variable Rate
Due from Joint Venture, Total
Due from Joint Venture, Total
Due from Joint Venture, Total
Due from Joint Ventures, Current
Due from Joint Ventures, Current
Revenue from Related Parties
Revenue from Related Parties
Gain (Loss) on Disposition of Property Plant Equipment
Related Party Transaction, Due from (to) Related Party, Current
Related Party Transaction, Due from (to) Related Party, Current
Accounts Receivable, Related Parties
Accounts Receivable, Related Parties
Costs and Expenses, Related Party
Costs and Expenses, Related Party
Accounts Payable, Related Parties
Accounts Payable, Related Parties
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure [Abstract]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure [Abstract]
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets
Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities
Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Contract Assets and Contract Liabilities
Contract Assets and Contract Liabilities [Text Block]
Contract Assets and Contract Liabilities [Text Block]
Long-term Debt
Long-term Debt
5.4% Senior Notes due, December 2042 [Member]
Senior Note Payable Due December 2042 [Member]
Senior Note Payable Due December 2042 [Member]
5.85% Senior Notes, due January 2044 [Member]
Senior Note Payable Due January 2044 [Member]
Senior Note Payable Due January 2044 [Member]
Stated rate
Debt Instrument, Interest Rate, Stated Percentage
Effective rate
Debt Instrument, Interest Rate, Effective Percentage
Supplemental Cash Flow Information [Table]
Supplemental Cash Flow Information [Table]
Supplemental Cash Flow Information [Table]
Name of Property [Axis]
Name of Property [Axis]
Name of Property [Domain]
Name of Property [Domain]
P-59 [Member]
P-59 [Member]
P-59[Member]
P-60 [Member]
P-60 [Member]
P-60 [Member]
P-59 and P60 Rigs [Member]
P-59 and P60 Rigs [Member]
P-59 and P60 Rigs [Member]
Supplemental Cash Flow Information [Line Items]
Supplemental Cash Flow Information [Line Items]
[Line Items] for Supplemental Cash Flow Information [Table]
Number of Rigs Purchased at Auction
Number of Rigs Purchased at Auction
Purchase of two 2013 Le Tourneau Super 116E jack-up rigs from Petroleo Brasileiro S.A. ("Petrobras").
Purchase Price of Rigs Won at Auction
Purchase Price of Rigs Won at Auction
Purchase Price of Rigs Won at Auction
Security Deposit
Security Deposit
Purchase Price of Rigs Won at Auction less Deposit
Purchase Price of Rigs Won at Auction less Deposit
Purchase Price of Rigs Won at Auction less Deposit
Transaction Costs
Transaction Costs
Transaction Costs
Supplemental Cash Flow Information
Supplemental Cash Flow Information [Abstract]
Accrued capital expenditures
Capital Expenditures Incurred but Not yet Paid
Income Taxes
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Increase (decrease) in income tax expense as compared to prior year periods
Increase (Decrease) In Income Tax Expense
The increase (decrease) in income tax expense as compared to the prior comparable reporting period.
Pension and Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Saudi Arabia
SAUDI ARABIA
Norway
NORWAY
Trinidad
TRINIDAD AND TOBAGO
United Kingdom
UNITED KINGDOM
United States
UNITED STATES
Other
Other Countries [Member]
Other Countries [Member]
Reporting Segments
Operating Segments [Member]
Unallocated and other
Corporate, Non-Segment [Member]
Eliminations and adjustments
Intersegment Eliminations [Member]
ARO Segment [Member]
ARO Segment [Member]
ARO Segment [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Revenue
Operating expenses:
Operating Expenses [Abstract]
Depreciation and amortization
Other operating items
Other Operating Income (Expense), Net
Components of Receivables - Trade and Other
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Schedule of Accrued Liabilities
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Long-term Debt
Schedule of Long-term Debt Instruments [Table Text Block]
Line of Credit Facility Covenant
Line of Credit Facility Covenant [Table Text Block]
[Table Text Block] for Tabular disclosure of the line of credit covenant description and compliance.
Defined Benefit Plans and Other Postemployment Benefit Plans Disclosures [Table]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Direct Operating Costs and Selling General and Administrative
Direct Operating Costs and Selling General and Administrative [Member]
Direct Operating Costs and Selling General and Administrative [Member]
Other, Net
Other, Net [Member]
Other, Net [Member]
Income Taxes [Member]
Income Taxes [Member]
Income Taxes [Member]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Defined Benefit Pension [Member]
Pension Plan [Member]
Other Postretirement Benefit [Member]
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost (1)
Defined Benefit Plan, Service Cost
Interest cost (2)
Defined Benefit Plan, Interest Cost
Expected return on plan assets (2)
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization of net loss (2)
Defined Benefit Plan, Amortization of Gain (Loss)
Amortization of prior service credit (2)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Curtailment gain (2)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment
Total net pension cost and other postretirement benefit cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Provision (benefit) for income tax in Defined Benefit Plan Curtailment
Provision (benefit) for income tax in Defined Benefit Plan Curtailment
Provision (benefit) for income tax in Defined Benefit Plan Curtailment
Defined Benefit Plan, Plan Amendment [Abstract]
Defined Benefit Plan, Plan Amendment [Abstract]
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Increase (Decrease) for Plan Amendment
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Increase (Decrease) for Plan Amendment
Contribution to pension and other postemployment benefit plans
Defined Benefit Plan, Plan Assets, Contributions by Employer
Future contributions to pension and other postemployment benefit plans
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year
Antidilutive Securities Excluded From Earnings per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Equity Method Investments and Joint Ventures Disclosure [Text Block]