RESTRUCTURING - Restructuring Charges by Segment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 36,684
Other Selling, General, and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	15,150
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges	18,872
Employee Severance \| Other Selling, General, and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	15,150
Employee Severance \| Personnel Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	21,534
Employee Severance \| NAST \| Other Selling, General, and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,175
Employee Severance \| NAST \| Personnel Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	6,323
Employee Severance \| Global Forwarding \| Other Selling, General, and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,174
Employee Severance \| Global Forwarding \| Personnel Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,831
Employee Severance \| All Other and Corporate \| Other Selling, General, and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	8,801
Employee Severance \| All Other and Corporate \| Personnel Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 11,380