Complex sentence: The company's culture is influenced by its founder, Truett Cathy's, Southern Baptist beliefs; all Chick-fil-A restaurants are closed for business on Sunday as well as Thanksgiving Day and Christmas Day.
Split into simpler sentences: The company's culture is influenced by its founder, Truett Cathy's, Southern Baptist beliefs. All Chick-fil-A restaurants are closed for business on Sundays, Thanksgiving Day, and Christmas Day.