Details of Certain Financial Statement Components (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Inventory:
Raw materials, net of reserve	$ 68,362	$ 61,323
Work in process, net of reserve	8,247	7,444
Finished goods, net of reserve	45,792	49,712
Total inventory, net	122,401	118,479
Current Assets:
Notes receivable	19,200	9,963
Income tax and other tax receivable	10,514	17,057
Billable tooling	4,831	5,194
Prepaid expenses	3,930	7,022
Other	2,713	3,490
Total other current assets	41,188	42,726
Property and equipment:
Machinery and equipment	142,833	137,813
Buildings and improvements	99,011	90,675
Information technology	30,338	27,697
Production tooling	22,783	19,906
Leasehold improvements	11,762	11,116
Construction in progress	8,968	2,856
Total property and equipment	315,695	290,063
Less: accumulated depreciation	(163,114)	(129,458)
Total property and equipment, net	152,581	160,605
Other current liabilities:
Accrued employee liabilities	26,612	26,019
Liabilities from discounts and rebates	22,910	16,593
Income tax and other taxes payable	14,714	3,693
Restructuring	5,627	6,065
Accrued warranty	2,391	4,596	$ 4,514
Other	9,155	9,617
Total other current liabilities	$ 81,409	$ 66,583