Segment Information - Segment Reconciliation of Operating Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting [Abstract]
Income before income tax expense	$ 19,521	$ 49,426	$ 142,855	$ 130,212
Interest expense	14,570	16,546	44,089	51,388
Depreciation and amortization	23,393	31,049	65,954	80,675
Loss on termination of leaseback obligations	0	0	0	3,409
Restructuring and integration expenses	3,790	2,312	14,439	15,036
Transaction costs	1,461	3,987	4,797	19,973
Stock-based compensation expense	4,402	2,340	10,140	6,232
Other components of net periodic pension cost (benefit)	3,928	(273)	(5,295)	(998)
Non-cash (gain) from remeasurement of indemnification asset	(585)	(404)	(1,472)	(1,248)
Impairment charges	0	0	222	3,611
Other	(5,048)	(2,624)	(10,580)	(4,245)
Total Segment Adjusted EBITDA	$ 65,432	$ 102,359	$ 265,149	$ 304,045