INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Contingency [Line Items]
Liabilities for uncertain tax positions current	$ 400	$ 1,900
Liability for uncertain tax positions noncurrent	27,458	40,295
Liability for uncertain positions expected to be resolved in next fiscal year	400
Interest and penalties uncertain tax positions recognized	1,300	2,500	$ 1,600
Prior year liability uncertain tax positions	400	200
Reconciliation of beginning and ending amount of liability for uncertain tax positions [Roll Forward]
Liability for uncertain tax positions - beginning of period	42,158	39,970	2,189
Additions based on tax positions related to the current year	2,483	3,241	2,732
Additions relating to acquisitions	0	0	35,874
Translation adjustment	(881)	(844)	0
Settlement/expiration of statutes of limitations	(15,932)	(209)	(825)
Liability for uncertain tax positions - end of period	27,828	42,158	39,970
Interest and Penalties [Abstract]
Benefit on reversal of interest and penalties	(3,100)	(100)	(200)
Accrued interest and penalties uncertain tax positions	2,200	4,000
Income (Loss) Before Income Taxes [Abstract]
(Loss) earnings before (benefit) provision for income taxes included (loss) earnings from domestic operations	(43,300)	6,100	(9,200)
(Loss) earnings before (benefit) provision for income taxes from foreign operations	(39,200)	19,600	19,000
Current [Abstract]
Federal	(1,163)	1,494	402
State	18	70	175
Foreign	(10,172)	5,327	3,281
Total	(11,317)	6,891	3,858
Deferred [Abstract]
Federal	(6,272)	1,019	(2,698)
State	(464)	(64)	(407)
Foreign	335	(1,311)	414
Total	(6,401)	(356)	(2,691)
Tax (benefit) provision computed at the Company's effective tax rate	(17,718)	6,535	1,167
Reconciliation of taxes on income computed at the federal statutory rate [Abstract]
Tax (benefit) provision computed at the federal statutory rate	(28,893)	9,006	3,420
Increase (decrease) in taxes resulting from [Abstract]
Different tax rates applicable to foreign operations	(4,427)	(5,353)	(4,458)
Impairment of goodwill & intangibles	30,445	0	0
Increase in (reversal of) liability for uncertain tax positions - net	(13,974)	3,032	1,907
Utilization of research and experimentation, solar and foreign	(349)	(349)	(508)
State taxes, net of federal benefit	(420)	56	(183)
Current year (reversal) increase in U.S. valuation allowances	0	(343)	335
Federal tax on profit of foreign disregarded entities net of deferred tax	0	872	770
Other, including qualified production activity credits, SERP/COLI income, under/(over) accruals, unrealized foreign exchange gains and amortization of purchase accounting intangibles	(100)	(386)	(116)
Tax (benefit) provision computed at the Company's effective tax rate	$ (17,718)	$ 6,535	$ 1,167
Increase (decrease) in effective tax rate resulting from [Abstract]
Tax provision computed at the federal statutory rate, percentage	35.00%	35.00%	35.00%
Different tax rates and permanent differences applicable to foreign operations, percentage	5.00%	(21.00%)	(46.00%)
Impairment of goodwill & intangibles, percentage	(37.00%)	0.00%	0.00%
Increase in (reversal of) liability for uncertain tax positions - net, percentage	17.00%	12.00%	20.00%
Utilization of research and development, solar and foreign tax credits, percentage	0.00%	(1.00%)	(5.00%)
State taxes, net of federal benefit, percentage	1.00%	0.00%	(2.00%)
Current year valuation allowance - U.S. segment, percentage	0.00%	(1.00%)	3.00%
Federal tax on profit of foreign disregarded entities net of deferred tax, percentage	0.00%	3.00%	8.00%
Other, including qualified production activity credits, SERP/COLI income, under/(over) accruals, unrealized foreign exchange gains and amortization of purchase accounting intangibles, percentage	0.00%	(2.00%)	(1.00%)
Tax (benefit) provision computed at the Company's effective tax rate, percentage	21.00%	25.00%	12.00%
Additional Income Tax Information [Abstract]
Unrepatriated foreign earnings	$ 100,400
Estimated federal income tax liability related to unrepatriated foreign earnings	23,300
Deferred tax assets [Abstract]
State tax credits	902	$ 902
Unfunded pension liability	1,398	1,327
Reserves and accruals	4,335	4,349
Federal, state and foreign net operating loss and credit carryforwards	12,891	10,953
Depreciation	1,057	880
Amortization	0	814
Other accruals	8,278	9,622
Total deferred tax assets	28,861	28,847
Deferred tax assets (liabilities) [Abstract]
Reserves and accruals	64	64
Depreciation	3,028	2,391
Amortization	15,361	23,772
Other accruals	973	857
Net deferred tax assets (liabilities)	19,426	27,084
Valuation allowance	7,485	6,635
Net deferred tax assets/(liabilities)	1,950
Net deferred tax assets/(liabilities)		(4,872)
Power Solutions [Member]
Income Tax Contingency [Line Items]
Reduction relating to settlement with taxing authorities	(13,900)
Reduction relating to interest and penalties uncertain tax positions	(11,100)
Interest and penalties uncertain tax positions recognized	4,500
Interest and penalties uncertain tax positions recognized reversal	(2,600)
Annual accrual for liability for uncertain tax positions	700
Reconciliation of beginning and ending amount of liability for uncertain tax positions [Roll Forward]
Liability for uncertain tax positions - end of period	$ 12,000
Interest and Penalties [Abstract]
Interest and penalties uncertain tax positions recognized until various tax matters are resolved		$ 2,100
Asia [Member] | Power Solutions [Member] | Minimum [Member]
Income Tax Contingency [Line Items]
Income tax audit, years under examination	2004
Asia [Member] | Power Solutions [Member] | Maximum [Member]
Income Tax Contingency [Line Items]
Income tax audit, years under examination	2006
Federal and State Jurisdiction [Member]
Additional Income Tax Information [Abstract]
Operating loss carryforwards	$ 16,000
Tax credit carryforward	2,300
Tax credit carryforward, valuation allowance	(1,200)
Federal and State Jurisdiction [Member] | Capital Loss Carryforward [Member]
Additional Income Tax Information [Abstract]
Operating loss carryforwards, valuation allowance	(200)
Federal and State Jurisdiction [Member] | Array [Member]
Additional Income Tax Information [Abstract]
Operating loss carryforwards	3,800
Federal and State Jurisdiction [Member] | Connectivity Solutions [Member]
Additional Income Tax Information [Abstract]
Operating loss carryforwards	10,000
Deferred tax assets [Abstract]
Federal, state and foreign net operating loss and credit carryforwards	5,300
Foreign Jurisdictions [Member]
Additional Income Tax Information [Abstract]
Operating loss carryforwards	25,600
Tax credit carryforward	300
Operating loss carryforwards, valuation allowance	(6,100)
Deferred tax assets [Abstract]
Federal, state and foreign net operating loss and credit carryforwards	6,200
Foreign Jurisdictions [Member] | Capital Loss Carryforward [Member]
Additional Income Tax Information [Abstract]
Tax credit carryforward	$ 200
Macao [Member]
Increase (decrease) in effective tax rate resulting from [Abstract]
Tax provision computed at the federal statutory rate, percentage	12.00%
People's Republic of China (PRC) [Member]
Increase (decrease) in effective tax rate resulting from [Abstract]
Tax provision computed at the federal statutory rate, percentage	25.00%