FINANCING ARRANGEMENTS - Narrative (Details)	9 Months Ended
FINANCING ARRANGEMENTS - Narrative (Details)	Sep. 30, 2025 USD ($)	Aug. 12, 2025 USD ($)	Dec. 31, 2024 USD ($)	Aug. 27, 2013 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 1,183,150,000		$ 1,377,649,000
Revolving credit facility \| Line of credit
Debt Instrument [Line Items]
Maximum leverage ratio	3.75
Long-term debt	$ 0		9,000,000
US Bank \| Standby letters of credit
Debt Instrument [Line Items]
Current funding	18,900,000
US Bank \| Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 20,000,000
Credit Agreement \| Revolving credit facility \| Minimum \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.10%
Credit Agreement \| Revolving credit facility \| Minimum \| Credit Spread Adjustment
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Credit Agreement \| Revolving credit facility \| Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,000,000,000
Credit Agreement \| Revolving credit facility \| Line of credit \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.50%
Credit Agreement \| Revolving credit facility \| Line of credit \| Minimum
Debt Instrument [Line Items]
Commitment fee (percent)	0.07%
Credit Agreement \| Revolving credit facility \| Line of credit \| Maximum
Debt Instrument [Line Items]
Commitment fee (percent)	0.15%
Note Purchase Agreement \| Senior notes
Debt Instrument [Line Items]
Maximum leverage ratio	3.50
Minimum interest coverage ratio	2.00
Debt instrument principal amount				$ 500,000,000
Long-term debt, fair value	$ 314,500,000
Maximum priority debt to total assets ratio (percent)	10.00%
Debt instrument, redemption price (percent)	100.00%
Receivables securitization facility \| Wells Fargo Bank N.A. and Bank of America N.A.
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.80%
Commitment fee percentage	0.20%
Receivables securitization facility \| SOFR \| Wells Fargo Bank N.A. and Bank of America N.A.
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.10%
Receivables securitization facility \| Secured debt
Debt Instrument [Line Items]
Long-term debt	$ 260,599,000		446,792,000
Receivables securitization facility \| Secured debt \| Wells Fargo Bank N.A. and Bank of America N.A.
Debt Instrument [Line Items]
Maximum borrowing capacity	500,000,000	$ 250,000,000
Current funding		$ 500,000,000
Senior Notes Due 2028 \| Unsecured debt
Debt Instrument [Line Items]
Long-term debt, fair value	$ 601,000,000.0
Debt instrument, redemption price (percent)	101.00%
Debt instrument, annual interest rate (percent)	4.20%
Debt instrument, effective yield (percent)	4.39%
Long-term debt	$ 597,551,000		$ 596,857,000
Threshold for holders of principal outstanding to declare principal and unpaid interest payable (percent)	25.00%

C. H. ROBINSON WORLDWIDE, INC. 10-Q