Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Total net revenues	$ 294,341	$ 276,594	$ 548,864	$ 524,770
Cost of revenues:
Total cost of revenues	127,720	123,803	246,811	244,864
Gross profit	166,621	152,791	302,053	279,906
Selling, general and administrative expenses	68,893	60,575	131,954	118,784
Amortization of intangible assets	9,298	15,417	24,625	31,149
Interest expense, net	40,651	40,388	81,527	82,159
Loss on refinancing of debt	80	23,400	80	24,090
Foreign exchange loss (gain)	627	(611)	916	(1,183)
Other income, net	(5,825)	(1,520)	(6,066)	(1,249)
Income before income taxes	18,897	15,142	4,074	26,156
Provision for income taxes	10,935	6,388	9,372	11,079
Net income (loss)	7,962	8,754	(5,298)	15,077
Other comprehensive income (loss) net of tax:
Pension and post-retirement benefits (net of taxes of $24, $10, $27, and $47, respectively)	71	30	81	143
Interest rate derivatives (net of taxes of $(386), $(857), $(652) and $(711), respectively)	(1,123)	(2,461)	(1,895)	(2,042)
Foreign currency translation	82,217	(23,110)	101,777	(50,816)
Comprehensive income (loss)	$ 89,127	$ (16,787)	$ 94,665	$ (37,638)
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.03	$ 0.03	$ (0.02)	$ 0.05
Diluted (in dollars per share)	$ 0.03	$ 0.03	$ (0.02)	$ 0.05
Weighted average number of shares outstanding:
Basic (in shares)	283,933	282,894	283,747	282,403
Diluted (in shares)	285,756	284,541	283,747	284,264
Illinois EO litigation settlements
Cost of revenues:
Illinois EO litigation settlements	$ 34,000	$ 0	$ 64,943	$ 0
Service
Revenues:
Total net revenues	257,244	237,756	481,184	464,237
Cost of revenues:
Total cost of revenues	113,293	109,136	220,922	219,988
Product
Revenues:
Total net revenues	37,097	38,838	67,680	60,533
Cost of revenues:
Total cost of revenues	$ 14,427	$ 14,667	$ 25,889	$ 24,876