English to Norwegian Bus/Financial Accounting

"Total operating expenses (including depreciation and amortization) from continuing operations were USD 10.7 million during the fourth quarter of 2008. This included a USD 1.9 million asset impairment charges related to a legacy customer provisioning and billing system that the Company is in the process of taking out of service, and the write-off of residual, identifiable Mi8 purchased intangibles."
Impairment of asset er såvidt jeg vet verdiforringelse av eiendeler. Er dette bokføringen av verdiforringelsen?