BUSINESS COMBINATIONS - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 1,286,473	$ 1,286,473	$ 1,286,473		$ 1,246,878
Measurement Period Adjustments, Goodwill			342
Thompson Industrial
Business Acquisition [Line Items]
Accounts receivable	25,343	25,343	25,343	$ 25,793
Inventories and supplies	233	233	233	233
Prepaid expenses and other current assets	1,305	1,305	1,305	1,150
Property, plant and equipment	26,719	26,719	26,719	28,030
Permits and other intangibles	28,900	28,900	28,900	28,100
Operating lease right-of-use assets	4,716	4,716	4,716	4,716
Other non-current assets	72	72	72	36
Current liabilities	(10,245)	(10,245)	(10,245)	(11,514)
Current portion of operating lease liabilities	(1,653)	(1,653)	(1,653)	(1,653)
Operating lease liabilities, less current portion	(3,063)	(3,063)	(3,063)	(3,063)
Other long-term liabilities	(560)	(560)	(560)	0
Total identifiable net assets	71,767	71,767	71,767	71,828
Goodwill	39,088	39,088	39,088	40,092
Total purchase price	110,855	110,855	110,855	$ 111,920
Measurement Period Adjustments, Accounts receivable		(450)
Measurement Period Adjustments, Prepaid expenses and other current assets		155
Measurement Period Adjustments, Property, plant and equipment		(1,311)
Measurement Period Adjustments, Permits and other intangibles		800
Measurement Period Adjustments, Other non-current assets		36
Measurement Period Adjustments, Current liabilities		1,269
Measurement Period Adjustments, Other long-term liabilities		(560)
Measurement Period Adjustments, Total identifiable net assets		(61)
Measurement Period Adjustments, Goodwill		(1,004)
Measurement Period Adjustments, Total purchase price	1,000	(1,065)
June 17, 2022 Acquisition
Business Acquisition [Line Items]
Accounts receivable	1,089	1,089	1,089		1,111
Inventories and supplies	5,745	5,745	5,745		5,816
Prepaid expenses and other current assets	144	144	144		144
Property, plant and equipment	22,231	22,231	22,231		19,605
Permits and other intangibles	23,500	23,500	23,500		23,500
Operating lease right-of-use assets	585	585	585		585
Other non-current assets	13	13	13		13
Current liabilities	(3,375)	(3,375)	(3,375)		(3,271)
Current portion of operating lease liabilities	(186)	(186)	(186)		(186)
Operating lease liabilities, less current portion	(399)	(399)	(399)		(399)
Other long-term liabilities	(2,681)	(2,681)	(2,681)		(55)
Total identifiable net assets	46,666	46,666	46,666		46,863
Goodwill	32,212	32,212	32,212		32,015
Total purchase price	$ 78,878	$ 78,878	78,878		$ 78,878
Measurement Period Adjustments, Accounts receivable			(22)
Measurement Period Adjustments, Inventories and supplies			(71)
Measurement Period Adjustments, Property, plant and equipment			2,626
Measurement Period Adjustments, Current liabilities			(104)
Measurement Period Adjustments, Other long-term liabilities			(2,626)
Measurement Period Adjustments, Total identifiable net assets			(197)
Measurement Period Adjustments, Goodwill			197
Measurement Period Adjustments, Total purchase price			$ 0