part company

[part company] {v. phr.} 1. To part with someone; leave each other;separate.

The boys parted company as they came from the park.

George parted company with the others at his front door.

2. To bedifferent from someone in opinion or action; follow your own way;disagree; differ.

They parted company on where the new highwayshould be built.

The mayor parted company with the newspapers onraising taxes.