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Other Current Assets (Tables)
 9 Months Ended
Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Current Assets
Other current assets consisted of the following (in thousands):
September 30,
2020		December 31, 2019
Deferred compensation trust assets$445,739 $398,442 
Prepaid expenses83,731 84,364 
Other46,952 42,768 
Other current assets$576,422 $525,574