Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019		Mar. 31, 2019
Accrued Liabilities [Abstract]
Salaries and benefits	$ 27,616	$ 21,116
Incentive compensation	8,638	15,221
Accruedsupplychainrestructuring	22,998	23,119
Operating Lease, Liability, Current	7,544	7,362		$ 7,362
Accrued Product Field Action	547	2,096
Sales taxes	3,205	2,615
Restructuring accrual	6,935	5,459
Contract with Customer, Liability, Current	8,290	4,761
Accrued other taxes	1,154	4,054
Accrued Professional Fees	4,745	4,782
Legal accrual	970	826
Distribution Fees	3,405	3,942
Warranties and returns	716	782
Accrued freight	12,623	11,238
UnfavorablecontractliabilityST	1,485	1,935
contract settlement-ST	1,250	1,667
Other	7,888	6,801
Accrued liabilities	$ 120,009	$ 117,776	[1]

[1] December 31, 2019 balances were derived from audited consolidated financial statements.