Segment Information - Segment Reconciliation of Operating Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting [Abstract]
Income before income tax expense	$ 12,550	$ 80,202	$ 26,360	$ 123,334
Interest expense	16,292	14,652	32,780	29,519
Depreciation and amortization	15,667	20,592	31,098	42,561
Stock-based compensation expense	5,798	3,810	11,191	5,738
Restructuring and integration expenses	3,921	4,822	9,261	10,649
Transaction costs	0	1,616	373	3,336
Other components of net periodic pension cost (benefit)	1,865	(9,153)	1,986	(9,223)
Non-cash loss (gain) from remeasurement of indemnification asset	11,490	(487)	10,734	(887)
Impairment charges	0	222	0	222
Other	1,856	(276)	4,125	(5,532)
Total Segment Adjusted EBITDA	$ 69,439	$ 116,000	$ 127,908	$ 199,717