SEGMENT INFORMATION - Schedule of Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 560,968	$ 322,108	$ 360,505
Adjusted cost of goods sold	232,862	183,953	194,866
Adjusted selling, general and administrative expense	47,812	41,368	40,248
Segment Adjusted EBITDA	280,294	96,787	125,391
Depreciation and amortization	65,718	64,855	65,795
Interest and financing expense	40,461	41,378	42,585
Founders advisory fees - related party	198,308	(108,481)	(117,302)
Intangible impairment	0	40,738	0
Non-recurring expenses	7,378	4,046	6,885
Share-based compensation expense	12,849	1,596	14,649
Non-cash purchase accounting impact			24,796
Gain on contingent earn-out	0	(7,273)	(12,706)
Foreign currency loss (gain)	2,443	(1,655)	3,462
(Loss) income before income taxes	(46,863)	61,583	97,227
Purchases of property and equipment	15,531	9,435	8,613
Segment assets	273,589	285,146
Product
Segment Reporting Information [Line Items]
Net sales	464,806	290,720	330,672
Service And Other
Segment Reporting Information [Line Items]
Net sales	96,162	31,388	29,833
Fire Safety
Segment Reporting Information [Line Items]
Net sales	436,274	225,554	226,583
Adjusted cost of goods sold	160,157	117,242	117,725
Adjusted selling, general and administrative expense	35,996	32,098	31,493
Segment Adjusted EBITDA	240,121	76,214	77,365
Depreciation and amortization	51,365	51,178	51,299
Purchases of property and equipment	9,449	4,287	3,817
Segment assets	83,677	93,200
Fire Safety | Product
Segment Reporting Information [Line Items]
Net sales	340,112	194,166	196,750
Fire Safety | Service And Other
Segment Reporting Information [Line Items]
Net sales	96,162	31,388	29,833
Specialty Products
Segment Reporting Information [Line Items]
Net sales	124,694	96,554	133,922
Adjusted cost of goods sold	72,705	66,711	77,141
Adjusted selling, general and administrative expense	11,816	9,270	8,755
Segment Adjusted EBITDA	40,173	20,573	48,026
Depreciation and amortization	14,353	13,677	14,496
Purchases of property and equipment	6,082	5,148	4,796
Segment assets	189,912	191,946
Specialty Products | Product
Segment Reporting Information [Line Items]
Net sales	124,694	96,554	133,922
Specialty Products | Service And Other
Segment Reporting Information [Line Items]
Net sales	$ 0	$ 0	$ 0