FRAMINGHAM, Mass. (AP) — The TJX Companies Inc. said Friday that it has bought discount online retailer Sierra Trading Post for $200 million in cash.

The owner of the T.J. Maxx, Marshalls and HomeGoods said the deal will expand its online business. The international retailer is in the midst of developing online shopping sites for its own brands and said the acquisition adds scale and infrastructure in e-commerce that can benefit its business.