Earnings per Share

We include restricted stock units for which no future service is required as a condition to the delivery of the underlying common stock in our calculation of weighted average shares outstanding. Reconciliations of the amounts used in the basic and diluted earnings per common share computations for the years ended December 31, 2015, 2014 and 2013, are as follows (shares in thousands):



	2015	2014	2013
Diluted weighted average shares calculation:
Weighted average shares outstanding (basic)	362,033	404,837	440,666
Share-based awards	2,853	4,523	4,107
Weighted average shares outstanding (diluted)	364,886	409,360	444,773

We excluded the following items from diluted earnings per common share for the years ended December 31, 2015, 2014 and 2013, because they were anti-dilutive (shares in thousands):



	2015	2014	2013
Share-based awards	5,340	2,859	5,062