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Basis of Presentation (Policies) | 3 Months Ended
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Mar. 31, 2021
Accounting Policies [Abstract] |
Basis of Accounting | Our accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") for interim financial information and in accordance with the instructions to SEC Form 10-Q and Article 10 of SEC Regulation S-X. Therefore, such financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements and should be read in conjunction with the consolidated financial statements and footnotes thereto included in our 2020 Form 10-K. In our opinion, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three months ended March 31, 2021 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2021.
Use of Estimates | The preparation of financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Significant estimates affecting the financial statements include accruals for contract disallowance reserves, award fee revenues, costs to complete on fixed price contracts, and recoverability of goodwill and intangible assets.
Earnings Per Share | Basic earnings per share ("EPS") is computed by dividing net income by the weighted average number of shares of common stock outstanding during each period. Shares issued during the period are weighted for the portion of the period that they were outstanding. Our calculation of diluted earnings per common share includes the dilutive effects for an assumed vesting of restricted stock awards.
Business Segments | Business Segments Management of our business operations is conducted under three reportable operating segments: Aviation – Distribution and MRO Services Our Aviation segment provides aftermarket repair and distribution services to commercial, cargo, business and general aviation, military and defense, and rotorcraft customers globally. Core services include parts distribution, engine accessory maintenance, MRO services, rotable exchange and supply chain services. Fleet – Distribution and Fleet Services Our Fleet segment provides parts, inventory management, e-commerce fulfillment, logistics, supply chain support and other services to support the commercial aftermarket medium- and heavy-duty truck market, the United States Postal Service ("USPS"), and the DoD. Core services include vehicle parts distribution, sourcing, IT solutions, customized fleet logistics, warehousing, kitting, just-in-time supply chain management, alternative product sourcing, and engineering and technical support. Federal and Defense – Logistics and Sustainment Services Our Federal and Defense segment provides aftermarket MRO and logistics services to improve operational readiness and extend the life cycle of military vehicles, ships and aircraft for the DoD, federal agencies and international defense customers. Core services include base operations support; procurement; supply chain management; vehicle, maritime and aircraft sustainment services; IT services and energy consulting. The operating segments reported below are our segments for which separate financial information is available and for which segment results are evaluated regularly by our Chief Executive Officer in deciding how to allocate resources and in assessing performance. We evaluate segment performance based on consolidated revenues and operating income. Net sales of our business segments exclude intersegment sales as these activities are eliminated in consolidation.
Fair Value Measurements | The accounting standard for fair value measurements defines fair value, and establishes a market-based framework or hierarchy for measuring fair value. The standard is applicable whenever assets and liabilities are measured at fair value. The fair value hierarchy established in the standard prioritizes the inputs used in valuation techniques into three levels as follows: Level 1–Observable inputs – quoted prices in active markets for identical assets and liabilities; Level 2–Observable inputs other than the quoted prices in active markets for identical assets and liabilities – includes quoted prices for similar instruments, quoted prices for identical or similar instruments in inactive markets and amounts derived from valuation models where all significant inputs are observable in active markets; and Level 3–Unobservable inputs – includes amounts derived from valuation models where one or more significant inputs are unobservable and require us to develop relevant assumptions.
Recently Issued Accounting Pronouncements Not Yet Adopted | In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting." The amendments provide optional guidance for a limited time to ease the potential burden in accounting for reference rate reform. The new guidance provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts and hedging relationships that reference LIBOR or another reference rate expected to be discontinued due to reference rate reform. These amendments are effective immediately and may be applied prospectively to contract modifications made and hedging relationships entered into or evaluated on or before December 31, 2022. We are currently evaluating our contracts and the optional expedients provided by the new standard.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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- Definition Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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