2114100 - Disclosure - Asset Retirement Obligations
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2414402 - Disclosure - Asset Retirement Obligations - Asset Retirement Obligations (Details)
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2314301 - Disclosure - Asset Retirement Obligations (Tables)
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2101100 - Disclosure - Basis Of Presentation And New Accounting Standards
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2401402 - Disclosure - Basis Of Presentation And New Accounting Standards - New Accounting Standards (Details)
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2201201 - Disclosure - Basis Of Presentation And New Accounting Standards (Policies)
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2112100 - Disclosure - Business Segment Information
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2412403 - Disclosure - Business Segment Information - Financial Data By Reportable Segment (Details)
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2412404 - Disclosure - Business Segment Information - Intercompany Segment Revenues (Details)
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2412402 - Disclosure - Business Segment Information - Narrative (Details)
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2312301 - Disclosure - Business Segment Information (Tables)
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2412405 - Disclosure - Business Segment Information - Total Assets By Reportable Segment (Details)
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2115100 - Disclosure - Commitments And Contingencies And Other Matters
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2415401 - Disclosure - Commitments And Contingencies And Other Matters - Narrative (Details)
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2102100 - Disclosure - Company Overview
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2402401 - Disclosure - Company Overview (Details)
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2402402 - Disclosure - Company Overview - STL Acquisition (Details)
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1001000 - Statement - Condensed Consolidated Balance Sheets
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1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
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1005000 - Statement - Condensed Consolidated Statements Of Cash Flows (Unaudited)
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1003000 - Statement - Condensed Consolidated Statements Of Comprehensive Income (Unaudited)
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1003000 - Statement - Condensed Consolidated Statements Of Comprehensive Income (Unaudited)
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1002000 - Statement - Condensed Consolidated Statements Of Operations (Unaudited)
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1004000 - Statement - Condensed Consolidated Statements Of Shareholders' Equity (Unaudited)
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2118100 - Disclosure - Derivative Instruments And Hedging Activities
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2418403 - Disclosure - Derivative Instruments And Hedging Activities - Derivative Instruments Designated As Hedging Instruments (Details)
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2418404 - Disclosure - Derivative Instruments And Hedging Activities - Derivative Instruments Not Designated As Hedging Instruments (Details)
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2418406 - Disclosure - Derivative Instruments And Hedging Activities - Gain (Loss) Reclassified From Accumulated OCI Into Earnings (Details)
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2418407 - Disclosure - Derivative Instruments And Hedging Activities - Impact Of Derivative Instruments Not Designated As Hedging Instruments On Condensed Consolidated Statements Of Operations (Details)
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2418402 - Disclosure - Derivative Instruments And Hedging Activities - Narrative (Details)
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2318301 - Disclosure - Derivative Instruments And Hedging Activities (Tables)
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2418405 - Disclosure - Derivative Instruments And Hedging Activities - Unrealized Gain (Loss) Recognized In OCI (Details)
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2103100 - Disclosure - Details Of Certain Accounts
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2403404 - Disclosure - Details Of Certain Accounts - Accrued Liabilities (Details)
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2403403 - Disclosure - Details Of Certain Accounts - Other Assets, Net (Details)
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2403402 - Disclosure - Details Of Certain Accounts - Other Current Assets (Details)
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2403405 - Disclosure - Details Of Certain Accounts - Other Non-Current Liabilities (Details)
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2303301 - Disclosure - Details Of Certain Accounts (Tables)
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0001000 - Document - Document And Entity Information
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2110100 - Disclosure - Earnings Per Share
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2410402 - Disclosure - Earnings Per Share - Computations Of Basic And Diluted EPS (Details)
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2410403 - Disclosure - Earnings Per Share - Potentially Dilutive Shares Excluded From Diluted EPS Calculation (Details)
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2310301 - Disclosure - Earnings Per Share (Tables)
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2111100 - Disclosure - Employee Benefit Plans
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2411402 - Disclosure - Employee Benefit Plans - Narrative (Details)
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2411403 - Disclosure - Employee Benefit Plans - Share-Based Awards Granted (Details)
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2311301 - Disclosure - Employee Benefit Plans (Tables)
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2104100 - Disclosure - Equity Method Investments
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2404401 - Disclosure - Equity Method Investments - Narrative (Details)
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2117100 - Disclosure - Fair Value Measurements
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2417402 - Disclosure - Fair Value Measurements - Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details)
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2417403 - Disclosure - Fair Value Measurements - Principal Amount And Estimated Fair Value Of Long-Term Debt (Details)
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2317301 - Disclosure - Fair Value Measurements (Tables)
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2107100 - Disclosure - Income Taxes
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2407403 - Disclosure - Income Taxes - Effective Income Tax Rate Reconciliation (Details)
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2407402 - Disclosure - Income Taxes - Narrative (Details)
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2307301 - Disclosure - Income Taxes (Tables)
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2105100 - Disclosure - Leases
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2405402 - Disclosure - Leases - Components Of Lease Cost (Details)
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2405406 - Disclosure - Leases - Future Minimum Operating Lease Payments (Details)
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2405403 - Disclosure - Leases - Maturities Of Operating Lease Liabilities (Details)
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2405403 - Disclosure - Leases - Maturities Of Operating Lease Liabilities (Details)
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2405405 - Disclosure - Leases - Other Information Related To Operating Leases (Details)
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2305301 - Disclosure - Leases (Tables)
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2405404 - Disclosure - Leases - Weighted Average Remaining Lease Term And Discount Rate (Details)
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2106100 - Disclosure - Long-Term Debt
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2406409 - Disclosure - Long-Term Debt - Components Of Net Interest Expense (Details)
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2406404 - Disclosure - Long-Term Debt - Convertible Senior Notes Due 2022 (Details)
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2406405 - Disclosure - Long-Term Debt - Convertible Senior Notes Due 2023 (Details)
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2406408 - Disclosure - Long-Term Debt - Convertible Senior Notes Due 2032 (Details)
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2406403 - Disclosure - Long-Term Debt - Credit Agreement (Details)
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2406406 - Disclosure - Long-Term Debt - MARAD Debt (Details)
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2406402 - Disclosure - Long-Term Debt - Maturities Of Long-Term Debt (Details)
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2406402 - Disclosure - Long-Term Debt - Maturities Of Long-Term Debt (Details)
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2406407 - Disclosure - Long-Term Debt - Nordea Credit Agreement (Details)
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2306301 - Disclosure - Long-Term Debt (Tables)
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1004001 - Statement - Redeemable Noncontrolling Interests (Unaudited)
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2109100 - Disclosure - Revenue From Contracts With Customers
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2409402 - Disclosure - Revenue From Contracts With Customers - Disaggregation Of Revenue (Details)
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2409403 - Disclosure - Revenue From Contracts With Customers - Narrative (Details)
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2309301 - Disclosure - Revenue From Contracts With Customers (Tables)
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2108100 - Disclosure - Shareholders' Equity
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2408402 - Disclosure - Shareholders' Equity - Components Of Accumulated OCI (Details)
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2308301 - Disclosure - Shareholders' Equity (Tables)
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2116100 - Disclosure - Statement Of Cash Flow Information
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2416403 - Disclosure - Statement Of Cash Flow Information - Narrative (Details)
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2416402 - Disclosure - Statement Of Cash Flow Information - Supplemental Cash Flow Information (Details)
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2316301 - Disclosure - Statement Of Cash Flow Information (Tables)
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