8.	Earnings Per Share

Basic earnings per share (“EPS”) are calculated utilizing the weighted average number of common shares outstanding during the periods presented. Diluted EPS is calculated utilizing the weighted average number of common shares outstanding during the periods presented adjusted for the effect of dilutive common stock equivalents.

The following table sets forth the computation of basic and diluted EPS:

	Three Months Ended				Nine Months Ended
	September 29,		September 30,		September 29,		September 30,
	2018		2017		2018		2017
Numerator:
Net income attributable to
Weight Watchers International, Inc.	$	70,132	$	44,719	$	179,964	$	100,544
Denominator:
Weighted average shares of common stock outstanding		66,701		64,463		66,074		64,237
Effect of dilutive common stock equivalents		3,630		4,223		4,043		3,702
Weighted average diluted common shares outstanding		70,331		68,686		70,117		67,939
Earnings per share attributable to Weight Watchers International, Inc.
Basic	$	1.05	$	0.69	$	2.72	$	1.57
Diluted	$	1.00	$	0.65	$	2.57	$	1.48

The number of anti-dilutive common stock equivalents excluded from the calculation of the weighted average number of common shares for diluted EPS was 9 and 1,862 for the three months ended September 29, 2018 and September 30, 2017, respectively. The number of anti-dilutive common stock equivalents excluded from the calculation of the weighted average number of common shares for diluted EPS was 35 and 1,230 for the nine months ended September 29, 2018 and September 30, 2017, respectively.