Income Taxes (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 06, 2015	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Income Tax Expense (Benefit)	$ 13,894,000	$ 10,878,000	$ 7,460,000
Provision for income taxes from discrete items	6,544,000	7,656,000	2,282,000
Income Tax Expense (Benefit), before discrete items	7,350,000	3,222,000	5,178,000
Operating loss carryforwards, domestic	42,000,000
Operating Loss Carryforwards, Domestic, Utilized	5,700,000
Foreign	4,847,000	4,532,000	3,660,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	71,900,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	680,000
Reserve for potential uncertain income tax return positions	3,020,000	12,742,000	5,925,000		3,180,000
Effective tax rate from ongoing operations	9.50%
Portion of an unrecognized tax benefit netted against deferred tax asset for a net operating loss carryforward	(1,135,000)	(8,422,000)
India
Operating Loss Carryforwards [Line Items]
Foreign tax holiday (percentage)	50.00%
Foreign statutory income tax rate	33.99%
Foreign income tax holiday, term	5 years
Income Tax Holiday, Aggregate Dollar Amount	9,900,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.170
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	22,460,000	18,640,000
India | Minimum Alternative Tax (“MAT”)
Operating Loss Carryforwards [Line Items]
Foreign statutory income tax rate	20.97%
Foreign income tax holiday, term	10 years
Income Taxes Paid	3,820,000
Singapore
Operating Loss Carryforwards [Line Items]
Foreign statutory income tax rate	17.00%
Foreign effective income tax rate	10.00%
Income Tax Holiday, Aggregate Dollar Amount	2,500,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.070
Subsequent Event
Operating Loss Carryforwards [Line Items]
Income Tax Audit, Cash Settlement				20,500,000
Income Tax Examination, Penalties and Interest Accrued				1,600,000
Tax Adjustments, Settlements, and Unusual Provisions				(1,500,000)
IRS Settlement – net of FIN 48 reserve reversals [Member]
Operating Loss Carryforwards [Line Items]
Provision for income taxes from discrete items	480,000	0	0
2013 Income tax return amendment [Member]
Operating Loss Carryforwards [Line Items]
Provision for income taxes from discrete items	1,891,000	0	0
FIN 48 reserve additions [Member]
Operating Loss Carryforwards [Line Items]
Provision for income taxes from discrete items	9,798,000	6,817,000	2,745,000
Reconciliation of the tax payable liability accounts for our various subsidiaries to the income tax returns filed in those jurisdictions [Member]
Operating Loss Carryforwards [Line Items]
Provision for income taxes from discrete items	$ (3,138,000)	$ 0	$ (1,300,000)