INCOME TAXES (NARRATIVE) (DETAILS) (USD $)	3 Months Ended						12 Months Ended
	Sep. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2011
Deferred Tax Asset Net [Line Items]
Total deferred tax assets, net			$ 65,630,000				$ 78,654,000	$ 65,630,000
Valuation allowances			10,792,000				10,721,000	10,792,000	20,909,000						16,555,000
Valuation Allowance [Line Items]
Net Change in Valuation Allowance	200,000	600,000	2,000,000	400,000	300,000	900,000	(100,000)
Tax Credit Carry Forward [Line Items]
Cumulative Amount Foregin Earnings Invested Outside United States							445,000,000
Income Tax Holidays Description							The Company has been granted “Tax Holidays” as an incentive to attract foreign investment by the governments of the Philippines and Costa Rica. Generally, a Tax Holiday is an agreement between the Company and a foreign government under which the Company receives certain tax benefits in that country, such as exemption from taxation on profits derived from export-related activities. In the Philippines, the Company has been granted multiple agreements with an initial period of four years and additional periods for varying years, expiring at various times between 2011 and 2020.
Income Tax Holiday Termination Date							2011 and 2020
Aggregate Effect on Income Tax Expense for Income Tax Holiday Jurisdictions							20,200,000	14,600,000	20,100,000
Diluted Net Income Per Share Effect For Income Tax Holiday Jurisdictions							$ 0.27	$ 0.28	$ 0.36
Total Interest and Penalties Related to Uncertain Tax Positions Recorded in Statements of Comprehensive Income							132,000	77,000	40,000
Total Interest and Penalties Accrued Related to Uncertain Tax Positions Recorded in Balance Sheets			77,000				132,000	77,000
Reserve for Uncertain Tax Benefits, Net							1,900,000	500,000
Decrease of Unrecognized Tax Benefits over Next 12 Months							1,900,000
Federal [Member]
Tax Credit Carry Forward [Line Items]
Tax Credit Carry Forward Amount										900,000	2,300,000	2,200,000	3,700,000	3,500,000
Tax Credit Carry Forward Expiration Date										Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
State [Member]
Tax Credit Carry Forward [Line Items]
Tax Credit Carry Forward Amount											1,800,000
Tax Credit Carry Forward Expiration Date							Dec. 31, 2014				Dec. 31, 2023
State Tax Credits and NOL [Member]
Valuation Allowance [Line Items]
Net Change in Valuation Allowance							500,000
United States [Member]
Deferred Tax Asset Net [Line Items]
Total deferred tax assets, net							32,300,000
Significant Change In Unrecognized Tax Benefits From Significant Tax Events [Line Items]
Income tax examination years under audit							2009, 2011 and 2012
Foreign Jurisdictions [Member]
Deferred Tax Asset Net [Line Items]
Total deferred tax assets, net							17,000,000
Foreign Jurisdictions [Member] | Not Realizable Standard [Member]
Valuation Allowance [Line Items]
Net Change in Valuation Allowance							(300,000)
Canada [Member]
Significant Change In Unrecognized Tax Benefits From Significant Tax Events [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions		1,200,000
Income tax examination years under audit		2009 and 2010
Argentina [Member] | Not Realizable Standard [Member]
Valuation Allowance [Line Items]
Net Change in Valuation Allowance							200,000
Philippines [Member] | Other Increase Decrease [Member]
Valuation Allowance [Line Items]
Net Change in Valuation Allowance							(700,000)
Ghana [Member] | Not Realizable Standard [Member]
Valuation Allowance [Line Items]
Net Change in Valuation Allowance							200,000
Netherlands [Member]
Significant Change In Unrecognized Tax Benefits From Significant Tax Events [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	$ 1,300,000
Income tax examination years under audit	2010 and 2011