CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Revenues, net	$ 348,567	$ 365,765	$ 1,080,754	$ 1,183,735
Cost of revenues	153,798	150,371	469,223	502,546
Gross profit	194,769	215,394	611,531	681,189
Marketing expenses	36,327	35,515	200,543	189,855
Selling, general and administrative expenses	63,713	61,019	188,889	182,696
Operating income	94,729	118,860	222,099	308,638
Interest expense	33,118	35,506	103,045	107,238
Other expense, net	1,460	881	2,201	1,978
Income before income taxes	60,151	82,473	116,853	199,422
Provision for income taxes	13,123	12,374	26,834	19,580
Net income	47,028	70,099	90,019	179,842
Net loss attributable to the noncontrolling interest	58	33	214	122
Net income attributable to WW International, Inc.	$ 47,086	$ 70,132	$ 90,233	$ 179,964
Earnings Per Share attributable to WW International, Inc.
Basic	$ 0.70	$ 1.05	$ 1.34	$ 2.72
Diluted	$ 0.68	$ 1.00	$ 1.30	$ 2.57
Weighted average common shares outstanding
Basic	67,298	66,701	67,129	66,074
Diluted	69,617	70,331	69,364	70,117
Service
Revenues, net	$ 298,041	$ 311,963	$ 918,535	$ 984,362
Cost of revenues	122,374	122,357	373,452	390,296
Product and Other
Revenues, net	50,526	53,802	162,219	199,373
Cost of revenues	$ 31,424	$ 28,014	$ 95,771	$ 112,250