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Fair Value Measurements | 3 Months Ended
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Apr. 01, 2018
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements Trade accounts receivable, short-term borrowings, accounts payable, accrued liabilities and accrued payroll and related taxes approximate their fair values due to the short-term maturities of these assets and liabilities. Assets Measured at Fair Value on a Recurring Basis The following tables present assets measured at fair value on a recurring basis on the consolidated balance sheet as of first quarter-end 2018 and year-end 2017 by fair value hierarchy level, as described below. Level 1 measurements consist of unadjusted quoted prices in active markets for identical assets or liabilities. Level 2 measurements include quoted prices in markets that are not active or model inputs that are observable either directly or indirectly for substantially the full term of the asset or liability. Level 3 measurements include significant unobservable inputs.
|  | Fair Value Measurements on a Recurring Basis As of First Quarter-End 2018
Description |  | Total |  | Level 1 |  | Level 2 |  | Level 3
|  | (In millions of dollars)
Money market funds |  | $ | 4.3 |  |  | $ | 4.3 |  |  | $ | — |  |  | $ | — |
Investment in Persol Holdings |  | 265.2 |  |  | 265.2 |  |  | — |  |  | — |
Total assets at fair value |  | $ | 269.5 |  |  | $ | 269.5 |  |  | $ | — |  |  | $ | — |
|  | Fair Value Measurements on a Recurring Basis As of Year-End 2017
Description |  | Total |  | Level 1 |  | Level 2 |  | Level 3
|  | (In millions of dollars)
Money market funds |  | $ | 4.3 |  |  | $ | 4.3 |  |  | $ | — |  |  | $ | — |
Investment in Persol Holdings |  | 228.1 |  |  | 228.1 |  |  | — |  |  | — |
Total assets at fair value |  | $ | 232.4 |  |  | $ | 232.4 |  |  | $ | — |  |  | $ | — |
Money market funds as of first quarter-end 2018 and 2017 represent investments in money market accounts, all of which are restricted as to use and included as restricted cash within other assets on the consolidated balance sheet. The money market funds account for the majority of our restricted cash balance and represents cash balances that are required to be maintained to fund disability claims in California. The valuations of money market funds were based on quoted market prices of those accounts as of the respective period end. The valuation of the investment in Persol Holdings is based on the quoted market price of Persol Holdings stock on the Tokyo Stock Exchange as of the period end. Effective January 1, 2018, the changes in fair value of this investment are recorded in the consolidated statements of earnings (see Investment in Persol Holdings footnote). In the first quarter of 2017, changes in fair value were recorded in other comprehensive income, and in accumulated other comprehensive income, a component of stockholders’ equity. The cost of this yen-denominated investment, which fluctuates based on foreign exchange rates, was $19.5 million as of the first quarter-end 2018 and $18.4 million at year-end 2017.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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