Earnings per Share

12 Months Ended

Dec. 30, 2017

The computation of basic and diluted earnings per common share is as follows (in thousands, except share and per share amounts):



	Fiscal year ended
	December 30, 2017		December 31, 2016	December 26, 2015
Net income attributable to Dunkin’ Brands—basic and diluted	$	350,909	195,576	105,227
Weighted average number of common shares:
Common—basic	90,857,168		91,568,942	96,045,232
Common—diluted	92,231,436		92,538,282	97,131,674
Earnings per common share:
Common—basic	$	3.86	2.14	1.10
Common—diluted	3.80		2.11	1.08

The weighted average number of common shares in the common diluted earnings per share calculation includes the dilutive effect of 1,374,268, 969,340, and 1,086,442 equity awards for fiscal years 2017, 2016, and 2015, respectively, using the treasury stock method. The weighted average number of common shares in the common diluted earnings per share calculation for all periods excludes all contingently issuable equity awards outstanding for which the contingent vesting criteria were not yet met as of the fiscal period end. As of December 30, 2017, December 31, 2016, and December 26, 2015 there were 150,000 restricted shares that were contingently issuable and for which the contingent vesting criteria were not yet met as of the fiscal period end. Additionally, the weighted average number of common shares in the common diluted earnings per share calculation excludes 1,382,486, 3,498,229, and 2,985,215 equity awards for fiscal years 2017, 2016, and 2015, respectively, as they would be antidilutive.