A cup of Dunkin' Donuts coffee and a bag with...

A cup of Dunkin' Donuts coffee and a bag with a doughnut. Credit: Getty Images, 2006

CANTON, Massachusetts -- The parent company of Dunkin' Donuts and Baskin-Robbins says it plans to go public, confirming weeks of Wall Street speculation.

Dunkin' Brands Group Inc. didn't say how many shares it will offer or when the offering will take place. The regulatory filing proposes an estimated maximum IPO value of $400 million.

But the Massachusetts-based company did say in a regulatory filing that it believes it sees "significant opportunity" to expand in foreign markets and outside the U.S. Northeast, where it is concentrated.

It also says it lost $1.7 million in the first quarter of 2011, a big difference from $5.9 million in net income the year before.

The company would trade on the Nasdaq Global Select Market under the ticker DNKN.

From celebrating America's 250th birthday to a new ride at Adventureland, NewsdayTV's Elisa DiStefano and Newsday lifestyle editor Meghan Giannotta have your inside look at Newsday's summer FunBook. Credit: Newsday/Howard Schnapp, Kendall Rodriguez, Drew Singh; Anthony Florio, Randee Daddona, Morgan Campbell, Debbie Egan-Chin

Get ready for sun and fun with NewsdayTV's summer FunBook special! From celebrating America's 250th birthday to a new ride at Adventureland, NewsdayTV's Elisa DiStefano and Newsday lifestyle editor Meghan Giannotta have your inside look at Newsday's summer FunBook.

From celebrating America's 250th birthday to a new ride at Adventureland, NewsdayTV's Elisa DiStefano and Newsday lifestyle editor Meghan Giannotta have your inside look at Newsday's summer FunBook. Credit: Newsday/Howard Schnapp, Kendall Rodriguez, Drew Singh; Anthony Florio, Randee Daddona, Morgan Campbell, Debbie Egan-Chin

Get ready for sun and fun with NewsdayTV's summer FunBook special! From celebrating America's 250th birthday to a new ride at Adventureland, NewsdayTV's Elisa DiStefano and Newsday lifestyle editor Meghan Giannotta have your inside look at Newsday's summer FunBook.

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