Income Per Share

12 Months Ended

Dec. 31, 2015

INCOME PER SHARE

The weighted average numbers of shares outstanding used to compute income per share amounts were as follows (in thousands):



	Year Ended December 31,
	2015	2014	2013
Shares used for basic per share calculations	31,288	31,253	31,072
Dilutive effect of outstanding options, PSUs and RSUs	301	435	385
Shares used for diluted per share calculations	31,589	31,688	31,457

The weighted average numbers of shares outstanding listed in the table below were anti-dilutive and excluded from the computation of diluted income per share, primarily because the average market price did not exceed the exercise price. These shares may be dilutive potential common shares in the future (in thousands):



	As of December 31,
	2015	2014	2013
Stock options	12	225	304
PSUs	—	—	12