Earnings Per Share (Tables)

9 Months Ended

Sep. 29, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	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