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Other Current Assets (Detail) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Deferred Compensation Plan Assets, Current | $ 424,037 | $ 406,634
Prepaid expenses | 101,846 | 97,674
Other | 50,434 | 49,841
Other current assets | $ 152,280 | $ 147,515

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