Segment Information - Segment Reconciliation of Operating Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting [Abstract]
Income before income tax expense	$ 43,132	$ 48,315
Interest expense	14,867	15,672
Depreciation and amortization	21,969	19,718
Other components of net periodic pension (benefit)	(70)	(453)
Loss on early extinguishment of debt	0	299
Restructuring and integration expenses	5,827	9,234
Transaction costs	1,720	10,546
Stock-based compensation expense	1,928	1,971
(Gain) from remeasurement of indemnification asset	(400)	0
Other	(5,256)	(369)
Segment Adjusted EBITDA	$ 83,717	$ 104,933