Northrop Grumman Corporation estimates that as of March 31, 2010, the range of reasonably possible future costs for environmental remediation sites is US$239 million to US$504 million.
Of those amounts as of March 31, 2010, about US$121 million is accrued in…
Northrop Grumman Corporation recorded environmental remediation costs of US$236 million, which is accrued in current liabilities.
Management estimates that as of June 30, 2009, the range of reasonably possible future costs for environmental remediation sites is US$187 million to US$267 million.
Los…
Northrop Grumman Corporation, as of Sept. 30, 2008, estimated about US$189 million to US$280 million for future costs for environmental remediation sites.
Of the estimated costs, the Company accrued US$230 million in “other current liabilities” as of Sept. 30, 2008.
According to…