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OPERATING SEGMENT DATA - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
REVENUES
Revenues	$ 1,063,124	$ 1,128,350	$ 3,177,374	$ 3,337,908
Asset Based
REVENUES
Revenues	677,537	709,126	2,000,671	2,073,101
Asset-Light
REVENUES
Revenues	384,125	417,744	1,173,327	1,261,703
Operating Segments | Asset Based
REVENUES
Revenues	709,722	741,186	2,093,914	2,161,018
Operating Segments | Asset-Light
REVENUES
Revenues	385,324	419,312	1,177,504	1,267,220
Other and eliminations
REVENUES
Revenues	$ (31,922)	$ (32,148)	$ (94,044)	$ (90,330)

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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