The Company groups its revenues into four categories, based on the markets and applications in which its products may be used. The following disaggregates the Company's revenue by product category (in thousands):

(1)	Under the modified retrospective method, amounts prior to fiscal 2018 have not been adjusted.

14. Revenues (Continued)

A portion of the Company's sales are made to distributors under agreements allowing certain rights of return and/or price protection related to the final selling price to the end customers. These factors impact the timing and uncertainty of revenues and cash flows. The Company recognized revenue of $17.6 million and $24.3 million during fiscal 2019 and 2018, respectively, from performance obligations that were satisfied in previous reporting periods. The following disaggregates the Company's revenue by sales channel (in thousands):


		Year Ended
	December 28,		December 29,		December 30,
	2019		2018		2017⁽¹⁾
Distributors	$	610,410	$	618,989	$	547,419
Direct customers		227,144		249,278		221,448
	$	837,554	$	868,267	$	768,867

(1)	Under the modified retrospective method, amounts prior to fiscal 2018 have not been adjusted.