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Summary of Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Basis of Presentation | Basis of Presentation. The Consolidated Financial Statements (“Financial Statements”) of the Company are prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) and the rules of the Securities and Exchange Commission (“SEC”).
Principles of Consolidation | Principles of Consolidation. The Financial Statements include the accounts of the Company and its subsidiaries, all of which are wholly owned. All intercompany balances have been eliminated.
Use of Estimates | Use of Estimates. The preparation of financial statements in conformity with GAAP requires management 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. Such estimates also include allowances for uncollectible accounts receivable, sales adjustments and allowances, workers’ compensation losses, income and other taxes, and assumptions used in the Company's goodwill impairment assessment and in the valuation of stock grants subject to market conditions. Actual results and outcomes may differ from management's estimates and assumptions.
Revenue Recognition and Costs of Services | Revenue Recognition. The Company derives its revenues from three segments: temporary and consultant staffing, permanent placement staffing, and risk consulting and internal audit services. Net service revenues as presented on the Consolidated Statements of Operations represent services rendered to customers less sales adjustments and allowances. Reimbursements, including those related to travel and out-of-pocket expenses, are also included in net service revenues, and equivalent amounts of reimbursable expenses are included in direct costs of services. The Company records temporary and consultant staffing revenue on a gross basis as a principal versus on a net basis as an agent in the presentation of revenues and expenses. The Company has concluded that gross reporting is appropriate because the Company (i) has the risk of identifying and hiring qualified employees, (ii) has the discretion to select the employees and establish their price and duties and (iii) bears the risk for services that are not fully paid for by customers. Temporary and consultant staffing revenues—Temporary and consultant staffing revenues are recognized when the services are rendered by the Company’s temporary employees. Employees placed on temporary assignment by the Company are the Company’s legal employees while they are working on assignments. The Company pays all related costs of employment, including workers’ compensation insurance, state and federal unemployment taxes, social security and certain fringe benefits. The Company assumes the risk of acceptability of its employees to its customers. Permanent placement staffing revenues—Permanent placement staffing revenues are recognized when employment candidates accept offers of permanent employment. The Company has a substantial history of estimating the effect of permanent placement candidates who do not remain with its clients through the 90-day guarantee period. Allowances are established to estimate these losses. Fees to clients are generally calculated as a percentage of the new employee’s annual compensation. No fees for permanent placement services are charged to employment candidates. Risk consulting and internal audit revenues—Risk consulting and internal audit services are generally provided on a time-and-material basis or fixed-fee basis. Revenues earned under time-and-material arrangements and fixed-fee arrangements are recognized using a proportional performance method as hours are incurred relative to total estimated hours for the engagement. The Company periodically evaluates the need to provide for any losses on these projects, and losses are recognized when it is probable that a loss will be incurred. Costs of Services. Direct costs of temporary and consultant staffing consist of payroll, payroll taxes and benefit costs for the Company’s temporary employees, as well as reimbursable expenses. Direct costs of permanent placement staffing services consist of reimbursable expenses. Risk consulting and internal audit costs of services include professional staff payroll, payroll taxes and benefit costs, as well as reimbursable expenses.
Advertising Costs | Advertising Costs. The Company expenses all advertising costs as incurred.
Comprehensive Income | Comprehensive Income. Comprehensive income includes net income and certain other items that are recorded directly to Stockholders’ Equity. The Company’s only source of other comprehensive income is foreign currency translation adjustments.
Fair Value of Financial Instruments | Fair Value of Financial Instruments. The Company does not have any financial instruments which require re-measurement to fair value. The carrying values of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses represent fair value based upon their short-term nature.
Cash and Cash Equivalents | Cash and Cash Equivalents. The Company considers all highly liquid investments with a maturity at the date of purchase of three months or less as cash equivalents.
Accounts Receivable Allowances | Accounts Receivable Allowances. The Company maintains allowances for estimated losses resulting from (i) the inability of its customers to make required payments and (ii) sales adjustments. The Company establishes these allowances based on its review of customers’ credit profiles, historical loss statistics and current trends. The adequacy of these allowances is reviewed each reporting period. Historically, the Company’s actual losses have been consistent with these allowances.
Goodwill and Intangible Assets | Goodwill and Intangible Assets. Goodwill and intangible assets primarily consist of the cost of acquired companies in excess of the fair market value of their net tangible assets at the date of acquisition. Identifiable intangible assets are amortized over their lives, typically ranging from two to five years. Goodwill is not amortized, but is tested at least annually for impairment. The Company completed its annual goodwill impairment assessment as of June 30 in each of the three years ended December 31, 2018, and determined that no adjustment to the carrying value of goodwill was required. There were no events or changes in circumstances during the six months ended December 31, 2018 that caused the Company to perform an interim impairment assessment.
Income Tax Assets and Liabilities | Income Taxes. The Company’s operations are subject to U.S. federal, state and local, and foreign income taxes. In establishing its deferred income tax assets and liabilities and its provision for income taxes, the Company makes judgments and interpretations based on the enacted tax laws that are applicable to its operations in various jurisdictions. Deferred tax assets and liabilities are measured and recorded using current enacted tax rates, which the Company expects will apply to taxable income in the years in which those temporary differences are recovered or settled. The likelihood of a material change in the Company’s expected realization of its deferred tax assets is dependent on future taxable income and the effectiveness of its tax planning strategies in the various relevant jurisdictions. On December 22, 2017, the President signed the Tax Cuts and Jobs Act (“TCJA”) into law. Effective January 1, 2018, among other changes, TCJA reduced the federal corporate tax rate to 21 percent, provided for a deemed repatriation and taxation at reduced rates of certain foreign earnings, and established new mechanisms to tax certain foreign earnings going forward. Similar to other large multinational companies, TCJA has wide ranging implications for the Company. In December 2017, the SEC issued Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act, which allowed the Company to record provisional amounts during a measurement period not to extend beyond one year of the enactment date. The Company completed its TCJA analysis and recorded its final adjustments, which were not material, in the fourth quarter of 2018. The Company also evaluates the need for valuation allowances to reduce the deferred tax assets to realizable amounts. Management evaluates all positive and negative evidence and uses judgment regarding past and future events, including operating results, to help determine when it is more likely than not that all or some portion of the deferred tax assets may not be realized. When appropriate, a valuation allowance is recorded against deferred tax assets to offset future tax benefits that may not be realized.
Workers' Compensation | Workers’ Compensation. Except for states which require participation in state-operated insurance funds, the Company retains the economic burden for the first $0.5 million per occurrence in workers’ compensation claims. Workers’ compensation includes ongoing healthcare and indemnity coverage for claims and may be paid over numerous years following the date of injury. Claims in excess of $0.5 million are insured. Workers’ compensation expense includes the insurance premiums for claims in excess of $0.5 million, claims administration fees charged by the Company’s workers’ compensation administrator, premiums paid to state-operated insurance funds, and an estimate for the Company’s liability for Incurred But Not Reported (“IBNR”) claims and for the ongoing development of existing claims. The reserves for IBNR claims and for the ongoing development of existing claims in each reporting period includes estimates. The Company has established reserves for workers’ compensation claims using loss development rates which are estimated using periodic third party actuarial valuations based upon historical loss statistics which include the Company’s historical frequency and severity of workers’ compensation claims, and an estimate of future cost trends. While management believes that its assumptions and estimates are appropriate, significant differences in actual experience or significant changes in assumptions may materially affect the Company’s future results.
Foreign Currency Translation | Foreign Currency Translation. The reporting currency of the Company and its subsidiaries is the U.S. dollar. The functional currency of the Company's foreign subsidiaries is their local currency. The results of operations of the Company’s foreign subsidiaries are translated at the monthly average exchange rates prevailing during the period. The financial position of the Company’s foreign subsidiaries is translated at the current exchange rates at the end of the period, and the related translation adjustments are recorded as a component of accumulated other comprehensive income within Stockholders’ Equity. Gains and losses resulting from foreign currency transactions are included as a component of selling, general and administrative expenses in the Consolidated Statements of Operations, and have not been material for all periods presented.
Stock-based Compensation | Stock-based Compensation. Under various stock plans, officers, employees and outside directors have received or may receive grants of restricted stock, stock units, stock appreciation rights or options to purchase common stock. The Company recognizes compensation expense equal to the grant-date fair value for all stock-based payment awards that are expected to vest. This expense is recorded on a straight-line basis over the requisite service period of the entire award, unless the awards are subject to performance conditions, in which case the Company recognizes compensation expense over the requisite service period of each separate vesting tranche. The Company determines the grant-date fair value of its restricted stock and stock unit awards using the fair market value of its stock on the grant date, unless the awards are subject to market conditions, in which case the Company utilizes a binomial-lattice model (i.e., Monte Carlo simulation model). The Monte Carlo simulation model utilizes multiple input variables to determine the stock-based compensation expense.
Property and Equipment | Property and Equipment. Property and equipment are recorded at cost. Depreciation expense is computed using the straight-line method over the following useful lives:
Computer hardware | 2 to 3 years
Computer software | 2 to 5 years
Furniture and equipment | 5 years
Leasehold improvements | Term of lease, 5 years maximum
Internal-use Software | Internal-use Software. The Company capitalizes direct costs incurred in the development of internal-use software. Amounts capitalized are reported as a component of computer software within property and equipment.
New Accounting Pronouncements | New Accounting Pronouncements Recently Adopted Accounting Pronouncements Revenue from Contracts with Customers. In May 2014, the Financial Accounting Standards Board (“FASB”) issued authoritative guidance that provides companies with a single model for use in accounting for revenue arising from contracts with customers and supersedes current revenue recognition guidance, including industry-specific revenue guidance. The new guidance requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. The Company adopted the new guidance, using the modified retrospective method applied to all contracts not completed as of January 1, 2018, and since the adoption of the new guidance was not material, no adjustment was made to opening retained earnings. The Company also had no significant changes to systems, processes, or controls. The adoption of the guidance did not have a material impact on the Company’s income statement. In accordance with the new guidance, the Company reclassified certain allowances that are now reflected as liabilities. The impact to the Company’s balance sheet is as follows (in thousands):
| December 31, 2018
| As Reported |  | Balances Without Adoption of Revenue Guidance |  | Effect of Change Higher (Lower)
Assets |  |  |  |  |
Accounts receivable, net | $ | 794,446 |  |  | $ | 783,776 |  |  | $ | 10,670 |
Liabilities |  |  |  |  |
Accounts payable and accrued expenses | $ | 168,031 |  |  | $ | 157,361 |  |  | $ | 10,670 |
Stock Compensation. In May 2017, the FASB issued authoritative guidance updating which changes in the terms or conditions of a share-based payment award require an entity to apply modification accounting. Under the amended guidance, entities are required to account for the effects of a modification if the fair value, vesting conditions or classification (as an equity instrument or a liability instrument) of the modified award change from that of the original award immediately before the modification. The Company adopted the new guidance as of January 1, 2018. The adoption of this guidance did not have a material impact on the Company’s financial statements. Recently Issued Accounting Pronouncements Not Yet Adopted Lease Accounting. In February 2016, the FASB issued authoritative guidance which changes financial reporting as it relates to leasing transactions. Under the new guidance, lessees will be required to recognize a lease liability, measured on a discounted basis; and a right-of-use asset, for the lease term. Lessees and lessors may elect to apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements; or they may elect to apply the provisions of the guidance, using a prospective approach, beginning at the adoption date and recognize a cumulative effect adjustment to opening retained earnings in the period of adoption. The new standard was effective for the Company beginning January 1, 2019, and the Company implemented the new standard using a prospective approach. Upon adoption, the Company elected the package of practical expedients available under the new standard, which allowed the Company to forgo a reassessment of (1) whether any expired or existing contracts are or contain leases, (2) the lease classification for any expired or existing leases, and (3) the initial direct costs for any existing leases. The Company adopted this guidance as of January 1, 2019, using the transition method that allowed it to initially apply the guidance as of January 1, 2019, and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. This adjustment to the opening balance of retained earnings was not material. In addition to certain changes to its systems and processes, the estimated impact of the adoption of this guidance included the recognition of $270 million to $290 million of lease liabilities and right of use assets on the Company’s Consolidated Statement of Financial Position, offset by approximately $30 million of accrued rent, which reduced the right-of-use assets. Current Expected Credit Losses Model. In June 2016, the FASB issued authoritative guidance amending how entities will measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The guidance requires the application of a current expected credit loss model, which is a new impairment model based on expected losses. The new guidance is effective for interim and annual reporting periods beginning after December 15, 2019, with early adoption permitted for annual reporting periods beginning after December 15, 2018. The Company is currently evaluating the impact of the new guidance on its consolidated financial statements and related disclosures. Simplifying the Test for Goodwill Impairment. In January 2017, the FASB issued authoritative guidance to simplify the goodwill impairment testing process. The new standard eliminates Step 2 of the goodwill impairment test. If a company determines in Step 1 of the goodwill impairment test that the carrying value of goodwill is greater than the fair value, an impairment in that amount should be recorded to the income statement, rather than proceeding to Step 2. The new guidance is effective for the Company for fiscal years beginning after December 15, 2019, although early adoption is permitted. The Company believes the adoption of this guidance will not have a material impact on its financial statements. Cloud Computing. In August 2018, the FASB issued authoritative guidance which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. Entities are required to present the expense related to capitalized implementation costs in the same line item in the statement of operations as the fees associated with the hosting elements of the arrangement and classify the payments for the capitalized implementation costs in the statement of cash flows in the same manner as payments made for fees associated with the hosting element. Entities are also required to present the capitalized implementation costs in the statement of financial position in the same line item that a prepayment of the fees of the associated hosting arrangement would be presented. The new guidance is effective for the Company for annual and interim periods beginning after December 15, 2019, although early adoption is permitted. The Company has adopted the new guidance as of January 1, 2019, and the impact of adoption was not material to its financial statements.

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- Definition Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: 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 + Details
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- Definition Disclosure of accounting policy for determining the allowance for doubtful accounts for trade and other accounts receivable balances, and when impairments, charge-offs or recoveries are recognized. + References Reference 1: 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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5144-111524 + Details
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- Definition Disclosure of accounting policy for revenue from contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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- Definition Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement. + References Reference 1: 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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(f) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592 + Details
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