It sold Westin Hotels in November 1994 for US $561 million but maintained ownership of many hotels .
The company 's 1980s international expansion was financed by bank debt , and the company ran into financial challenges in the 1990s due to low income .
company sold Westin Hotels in November 1994 for US $561 million but maintained ownership of many hotels .
The company 's 1980s international expansion was financed by bank debt , and the company ran into financial challenges in the 1990s due to low income .