CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Service revenues, net	$ 251,550	$ 250,377	$ 495,318	$ 500,342
Product sales and other, net	58,211	59,377	121,353	131,515
Revenues, net	309,761	309,754	616,671	631,857
Cost of services	119,758	119,954	244,430	250,267
Cost of product sales and other	28,955	30,436	61,520	64,923
Cost of revenues	148,713	150,390	305,950	315,190
Gross profit	161,048	159,364	310,721	316,667
Marketing expenses	41,199	40,328	127,714	127,611
Selling, general and administrative expenses	46,118	48,456	95,720	100,432
Operating income	73,731	70,580	87,287	88,624
Interest expense	28,609	30,460	58,634	61,564
Other expense, net	607	344	542	919
Gain on early extinguishment of debt	0	(6,700)	0	(11,476)
Income before income taxes	44,515	46,476	28,111	37,617
Provision for income taxes	14,034	18,696	8,431	15,321
Net income	30,481	27,780	19,680	22,296
Net loss attributable to the noncontrolling interest	13	97	61	148
Net income attributable to Weight Watchers International, Inc.	$ 30,494	$ 27,877	$ 19,741	$ 22,444
Earnings Per Share attributable to Weight Watchers International, Inc.
Basic	$ 0.48	$ 0.49	$ 0.31	$ 0.39
Diluted	$ 0.46	$ 0.49	$ 0.30	$ 0.39
Weighted average common shares outstanding
Basic	63,740	57,085	63,644	56,946
Diluted	65,934	57,155	65,890	57,035

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Name:	us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.