Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Payroll and related items	$ 83,828	$ 75,238
Management incentive compensation	21,483	15,763
Income taxes payable	16,038	13,453
Insurance	11,739	11,115
Warranty	7,777	7,394
Deferred revenue	45,055	28,374
Lease liability	17,597	16,721
Restructuring	3,315	3,868
Liability for uncertain tax positions	305	0
Accrued interest	12,604	3,592
Other	32,351	33,310
Total accrued expenses	$ 252,092	$ 208,828