Roslyn Sulcas for The New York Times

The Mark Morris Dance Group is simultaneously going west and east from mid-October through November, as for the first time in the company’s 34-year history, it splits into two groups. Half the troupe’s dancers will tour the United States, Scotland, Italy and Switzerland, while the remainder head for Cambodia, East Timor and Taiwan. On Nov. 11, the company will reunite in Shenzhen, China.