$5B in debt is an insurmountable amount to pay off, especially when you are losing money quarter after quarter. They can close all the Last Call stores they want; it's only a matter of time.
https://www.wsj.com/articles/neiman-marcus-starts-talks-to-restructure-debt-and-avert-bankruptcy-1540418504
https://www.bizjournals.com/dallas/news/2018/10/25/neiman-marcus-debt-restructuring-bankruptcy.html