Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 187,105	$ 243,164
Gross Profit	20,303	33,089
Selling, General & Administrative Expenses	17,099	15,199
Amortization Expense	860	321
Impairment Expense	28,867	0
Operating Loss	(26,523)	17,569
Capital and Other Expenditures [Abstract]
Capital Expenditures	2,906	5,303
Depreciation Expense	3,780	3,360
Other items	171
Operating Segments
Segment Reporting Information [Line Items]
Revenues	187,105	243,164
Corporate/ Other
Segment Reporting Information [Line Items]
Revenues	(974)	(4,508)
Gross Profit	(14)	(21)
Selling, General & Administrative Expenses	8,357	5,713
Amortization Expense	0	0
Impairment Expense	643
Operating Loss	(9,014)	(5,734)
Capital and Other Expenditures [Abstract]
Capital Expenditures	301	841
Depreciation Expense	628	596
Other items	40
Electrical Systems
Segment Reporting Information [Line Items]
Revenues	112,098	143,611
Electrical Systems \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	111,167	140,672
Gross Profit	10,946	19,331
Selling, General & Administrative Expenses	3,950	4,149
Amortization Expense	729	187
Impairment Expense	23,415
Operating Loss	(17,148)	14,995
Capital and Other Expenditures [Abstract]
Capital Expenditures	1,876	3,485
Depreciation Expense	2,082	1,683
Other items	0
Electrical Systems \| Intersegment Revenues
Segment Reporting Information [Line Items]
Revenues	931	2,939
Global Seating
Segment Reporting Information [Line Items]
Revenues	75,981	104,061
Global Seating \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	75,938	102,492
Gross Profit	9,371	13,779
Selling, General & Administrative Expenses	4,792	5,337
Amortization Expense	131	134
Impairment Expense	4,809
Operating Loss	(361)	8,308
Capital and Other Expenditures [Abstract]
Capital Expenditures	729	977
Depreciation Expense	1,070	1,081
Other items	131
Global Seating \| Intersegment Revenues
Segment Reporting Information [Line Items]
Revenues	$ 43	$ 1,569

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