Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v2.4.0.8
Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Utilization Of Deferred Tax Assets [Member]
Dec. 31, 2013
Utilization Of Deferred Tax Assets [Member]
Before 2022 [Member]
Sep. 30, 2014
Minimum [Member]
Sep. 30, 2014
Maximum [Member]
Income Tax Disclosure [Line Items]          
Foreign statutory tax rate, foreign operations       19.00% 39.00%
Gross deferred tax asset $ 92,598        
Valuation allowance 17,120        
Net deferred tax asset 75,478        
Deferred tax liabilities, gross 28,911        
Future U.S.taxable income   187,000 163,000    
Net operating loss carryforwards for U.S. federal income tax purposes 215,562        
Tax windfall 5,154        
Research and experimentation credit carryforwards 2,270        
Alternative minimum tax credit carryforwards 315        
AMT percentage 20.00%        
Maximum percentage of income offset by available NOLs 90.00%        
Net operating loss carryforwards, net of limitations $ 210,408