LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Summary (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Long-term debt obligations
Long-term debt		$ 189,134	$ 228,938
Less current portion		63,978	66,948
Long-term debt, less current portion		125,156	161,990
Repayment of debt		120,518	69,180	$ 115,540
Credit Facility
Long-term debt obligations
Long-term debt		0	50,000
Repayment of debt	$ 50,000
Credit Facility | Interest rate swap
Long-term debt obligations
Amount of borrowings covered by the interest rate swap			$ 50,000
Effective fixed interest rate on hedged borrowings (as a percent)			1.55%
Accounts receivable securitization program
Long-term debt obligations
Long-term debt		0	$ 0
Notes payable
Long-term debt obligations
Long-term debt		$ 189,134	$ 178,938
Weighted-average interest rate (as a percent)		4.60%