american tower corporation and subsidiaries notes to consolidated financial statements 2014 ( continued ) 12 . impairments , net loss on sale of long-lived assets , restructuring and merger related expense the significant components reflected in impairments , net loss on sale of long-lived assets , restructuring and merger related expense in the accompanying consolidated statements of operations include the following : impairments and net loss on sale of long-lived assets 2014during the years ended december 31 , 2005 , 2004 and 2003 , the company recorded impairments and net loss on sale of long-lived assets ( primarily related to its rental and management segment ) of $ 19.1 million , $ 22.3 million and $ 28.3 million , respectively . 2022 non-core asset impairment charges 2014during the years ended december 31 , 2005 and 2004 respectively , the company sold a limited number of non-core towers and other non-core assets and recorded impairment charges to write-down these and other non-core assets to net realizable value . during the year ended december 31 , 2003 , the company sold approximately 300 non-core towers and certain other non-core assets and recorded impairment charges to write-down these and other non-core assets to net realizable value . as a result , the company recorded impairment charges and net losses of approximately $ 16.8 million , $ 17.7 million and $ 19.1 million for the years ended december 31 , 2005 , 2004 and 2003 , respectively . 2022 construction-in-progress impairment charges 2014for the year ended december 31 , 2005 , 2004 and 2003 , the company wrote-off approximately $ 2.3 million , $ 4.6 million and $ 9.2 million , respectively , of construction-in-progress costs , primarily associated with sites that it no longer planned to build . restructuring expense 2014during the year ended december 31 , 2005 , the company made cash payments against its previous accrued restructuring liability in the amount of $ 0.8 million . during the year ended december 31 , 2004 , the company incurred employee separation costs of $ 0.8 million and decreased its lease terminations and other facility closing costs liability by $ 0.1 million . during the year ended december 31 , 2003 , the company incurred employee separation costs primarily associated with a reorganization of certain functions within its rental and management segment and increased its accrued restructuring liability by $ 2.3 million . such charges are reflected in impairments , net loss on sale of long-lived assets , restructuring and merger related expense in the accompanying consolidated statement of operations for the years ended december 31 , 2004 and 2003 . the following table displays activity with respect to the accrued restructuring liability for the years ended december 31 , 2003 , 2004 and 2005 ( in thousands ) . the accrued restructuring liability is reflected in accounts payable and accrued expenses in the accompanying consolidated balance sheets as of december 31 , 2005 and liability january 1 , restructuring expense payments liability as december 31 , restructuring expense payments liability december 31 , restructuring expense payments liability december 31 .
what was the average write-off of construction-in-progress impairment charges from 2003 to 2005 in millions
there were no material changes in estimates related to this accrued restructuring liability during the year ended december 31 , 2005 . the company expects to pay the balance of these employee separation liabilities prior to the end of 2006 . additionally , the company continues to negotiate certain lease terminations associated with this restructuring liability . merger related expense 2014during the year ended december 31 , 2005 , the company assumed certain obligations , as a result of the merger with spectrasite , inc. , primarily related to employee separation costs of former .