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Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |  |
Trading securities held in deferred compensation plan |  | $ 94,579,000 | $ 109,342,000
Total |  | 146,373,000 | 210,923,000
Liabilities |  |  |
Deferred compensation plan | [1] | 94,502,000 | 110,379,000
Total |  | 94,502,000 | 110,379,000
Money market securities |  |  |
Assets |  |  |
Money market securities | [2] | 51,794,000 | 101,581,000
Fixed Income Securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 33,772,000 | 25,275,000
Equity securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 60,807,000 | 84,067,000
Fair Value, Inputs, Level 1 |  |  |
Assets |  |  |
Total |  | 146,373,000 | 210,923,000
Liabilities |  |  |
Deferred compensation plan | [1] | 94,502,000 | 110,379,000
Total |  | 94,502,000 | 110,379,000
Fair Value, Inputs, Level 1 | Money market securities |  |  |
Assets |  |  |
Money market securities | [2] | 51,794,000 | 101,581,000
Fair Value, Inputs, Level 1 | Fixed Income Securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 33,772,000 | 25,275,000
Fair Value, Inputs, Level 1 | Equity securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 60,807,000 | 84,067,000
Fair Value, Inputs, Level 2 |  |  |
Assets |  |  |
Total |  | 0 | 0
Liabilities |  |  |
Deferred compensation plan | [1] | 0 | 0
Total |  | 0 | 0
Fair Value, Inputs, Level 2 | Money market securities |  |  |
Assets |  |  |
Money market securities | [2] | 0 | 0
Fair Value, Inputs, Level 2 | Fixed Income Securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 0 | 0
Fair Value, Inputs, Level 2 | Equity securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 0 | 0
Fair Value, Inputs, Level 3 |  |  |
Assets |  |  |
Total |  | 0 | 0
Liabilities |  |  |
Deferred compensation plan | [1] | 0 | 0
Total |  | 0 | 0
Fair Value, Inputs, Level 3 | Money market securities |  |  |
Assets |  |  |
Money market securities | [2] | 0 | 0
Fair Value, Inputs, Level 3 | Fixed Income Securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | 0 | 0
Fair Value, Inputs, Level 3 | Equity securities |  |  |
Assets |  |  |
Trading securities held in deferred compensation plan | [3] | $ 0 | $ 0
[1] | Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.
[2] | Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.
[3] | Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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