Income Per Share

12 Months Ended

Dec. 31, 2017

Note 13. Income Per Share

The components of basic and diluted income per share are as follows:


	Year Ended December 31,
(in thousands, except per share data)	2017			2016			2015
Net income attributable to Viad (diluted)	$	57,707		$	42,269		$	26,606
Less: Allocation to non-vested shares		(700	)		(571	)		(385	)
Adjustment to carrying value of redeemable noncontrolling interest		—			—			—
Net income allocated to Viad common stockholders (basic)	$	57,007		$	41,698		$	26,221
Basic weighted-average outstanding common shares		20,146			19,990			19,797
Additional dilutive shares related to share-based compensation		259			187			184
Diluted weighted-average outstanding shares		20,405			20,177			19,981
Income per share:
Basic income attributable to Viad common stockholders	$	2.83		$	2.09		$	1.32
Diluted income attributable to Viad common stockholders	$	2.83		$	2.09		$	1.32

Options to purchase 8,000 shares during 2017, 500 shares during 2016, and 4,000 shares during 2015 of common stock were outstanding, but were not included in the computation of dilutive shares outstanding because the effect would be anti-dilutive.