Kroger is planning to revamp at least 20 to 30 percent of its 2,793 stores, the Cincinnati-based company recently announced.

The grocery store chain recently announced its “Restock Kroger” campaign, which will seek to change the customer experience at 558 to 838 stores, according to the company.

Kroger will spend $9 billion in capital investments on the Restock Kroger plan over the next three years, according to the company. The campaign is expected to boost Kroger’s operating margin by $400 million by 2020, according to a press release from Kroger.

As part of the plan, Kroger will redesign stores to maximize self check while also expanding “Scan, Bag, Go” to 400 stores in 2018. Scan, Bag, Go allows shoppers to check out using…