2013 | 2012 | 2011 | |||||||
Statutory federal income tax rate | 35.0 | % | 35.0 | % | 35.0 | % | |||
Increase (reduction) in rate resulting from: | |||||||||
Non-U.S. income taxed at different rates | (5.8 | ) | (7.3 | ) | (4.4 | ) | |||
Research and development tax credits | (3.5 | ) | — | (1.0 | ) | ||||
Domestic manufacturing deduction benefit | (2.1 | ) | (2.1 | ) | (1.9 | ) | |||
Other | 0.1 | 0.4 | (0.5 | ) | |||||
Effective tax rate | 23.7 | % | 26.0 | % | 27.2 | % |