13. EARNINGS (LOSS) PER SHARE

The following is a reconciliation of net income and weighted average shares for calculating basic and diluted earnings per common share for the twelve and forty weeks ended October 7, 2017 and October 8, 2016, respectively (amounts and shares in thousands, except per share data):

	For the Twelve Weeks Ended					For the Forty Weeks Ended
	October 7, 2017			October 8, 2016		October 7, 2017		October 8, 2016
Net income (loss)	$	(33,571	)	$	40,216	$	71,587	$	150,734
Basic Earnings (Loss) Per Common Share:
Basic weighted average shares outstanding for common stock		209,606			207,402		209,376		208,649
Basic earnings (loss) per common share	$	(0.16	)	$	0.19	$	0.34	$	0.72
Diluted Earnings (Loss) Per Common Share:
Basic weighted average shares outstanding for common stock		209,606			207,402		209,376		208,649
Add: Shares of common stock assumed issued upon exercise of stock options and vesting of restricted stock		—			1,542		855		1,915
Diluted weighted average shares outstanding for common stock		209,606			208,944		210,231		210,564
Diluted earnings (loss) per common share	$	(0.16	)	$	0.19	$	0.34	$	0.72

There were 1,682,086 and 792,136, respectively, of anti-dilutive shares during the twelve and forty weeks ended October 7, 2017 and there were no anti-dilutive shares during the twelve and forty weeks ended October 8, 2016.