Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2017

Schedule of reconciliation from net income attributable to CRA International, Inc. to net income available to common shareholders

The following table presents a reconciliation from net income attributable to CRA International, Inc. to net income available to common shareholders (in thousands):

	Quarter Ended				Fiscal Year-to-Date Period Ended
	September 30, 2017		October 1, 2016		September 30, 2017		October 1, 2016
Net income, as reported	$	3,214	$	3,193	$	9,880	$	10,830
Less: net income attributable to participating shares		21		24		66		74

Net income available to common shareholders	$	3,193	$	3,169	$	9,814	$	10,756

Schedule of reconciliation of basic to diluted weighted average shares of common stock outstanding

The following table presents a reconciliation of basic to diluted weighted average shares of common stock outstanding (in thousands):

	Quarter Ended				Fiscal Year-to-Date Period Ended
	September 30, 2017		October 1, 2016		September 30, 2017		October 1, 2016
Basic weighted average shares outstanding		8,149		8,177		8,332		8,581
Stock options		204		132		198		72

Diluted weighted average shares outstanding		8,353		8,309		8,530		8,653