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Fair Value Measurements
6 Months Ended
Jul. 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 second 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 Second Quarter-End 2018
Description
 
Total
 
Level 1
 
Level 2
 
Level 3
 
 
(In millions of dollars)
Money market funds
 
$
13.6

 
$
13.6

 
$

 
$

Investment in Persol Holdings
 
203.2

 
203.2

 

 

 
 
 
 
 
 
 
 
 
Total assets at fair value
 
$
216.8

 
$
216.8

 
$

 
$

 
 
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 second quarter-end 2018 represents investments in money market accounts, of which $9.3 million is included in cash and equivalents on the consolidated balance sheet and $4.3 million is restricted as to use and included in other assets on the consolidated balance sheet. Money market funds as of year-end 2017 represents 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 that are restricted as to use 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 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 $18.7 million as of the second quarter-end 2018 and $18.4 million at year-end 2017.