Income Taxes	3 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Note 8 — Income Taxes Forrester provides for income taxes on an interim basis according to management’s estimate of the effective tax rate expected to be applicable for the full fiscal year. Certain items such as changes in tax rates and tax benefits or expense related to settlements of share-based payment awards are treated as discrete items and are recorded in the period in which they arise. Income tax benefit for the three months ended March 31, 2017 was $0.1 million resulting in an effective tax rate of (3)% for the period. Income tax expense for the three months ended March 31, 2016 was $1.1 million resulting in an effective tax rate of 46% for the period. Income tax expense decreased by $1.2 million during the three months ended March 31, 2017 compared to the prior year period due primarily to the recognition of a $1.3 million benefit from the settlement of a tax audit. For the full year 2017, the Company anticipates that its effective tax rate will be approximately 36%.

Income Taxes

3 Months Ended

Mar. 31, 2017

Note 8 — Income Taxes

Forrester provides for income taxes on an interim basis according to management’s estimate of the effective tax rate expected to be applicable for the full fiscal year. Certain items such as changes in tax rates and tax benefits or expense related to settlements of share-based payment awards are treated as discrete items and are recorded in the period in which they arise.

Income tax benefit for the three months ended March 31, 2017 was $0.1 million resulting in an effective tax rate of (3)% for the period. Income tax expense for the three months ended March 31, 2016 was $1.1 million resulting in an effective tax rate of 46% for the period. Income tax expense decreased by $1.2 million during the three months ended March 31, 2017 compared to the prior year period due primarily to the recognition of a $1.3 million benefit from the settlement of a tax audit. For the full year 2017, the Company anticipates that its effective tax rate will be approximately 36%.