Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 1)

v2.4.0.6
Income Taxes (Details 1)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Effective tax rates differ from the statutory federal income tax      
Statutory Federal Income Tax Rate 35.00% 35.00% 35.00%
Permanent Items, Net (1.80%) (2.10%) (1.30%)
Foreign Tax Benefits (1.20%) (1.00%) (0.10%)
State Income Tax (Benefits), Net of Federal Income Tax Benefit (0.10%) 1.40% 0.60%
Research and Development Tax Credits (1.10%) (6.10%) (3.00%)
Other (0.10%) (1.60%) 0.30%
Effective Tax Rate 30.70% 25.60% 31.50%