The phrase "a one time write off" is correct and usable in written English.
It can be used in financial contexts to refer to an expense or loss that is not expected to recur in the future.
Example: "The company decided to declare a one time write off for the obsolete inventory that had been sitting in the warehouse."
Alternatives: "a one-off write off" or "a single write off".
If you take away one time write offs and look only at continuing operations, profits actually fell by nearly half, from $38.1 million to $20.1 million in comparison to last year.
As the National Institute for Drug Abuse has reported, "Many recall that 'crack babies,' or babies born to mothers who used crack cocaine while pregnant, were at one time written off by many as a lost generation..
But its bottom line was marred by a one-time write-off of $82.3 million, or 94 cents a share, on its convertible preferred stockholdings in Bridge Information Systems.
Cisco said it expected a one-time write-off of up to 1 cent a share for purchased in-process research and development expenses.
The earnings include a one-time benefit of 15 cents a share from the closing of a subsidiary and a one-time write-off of about 3 cents a share involving assets from venture investments.
It has already stated in S.E.C. filings that it anticipates a one-time write-off of $300 million if the lease deal collapses, an amount that increases by the month.
Automaking giant DaimlerChrysler said Thursday it earned 951 million euros ($1.18 billion) in the third quarter on good performances from its financial services division and its U.S. Chrysler arm, rebounding from a 1.7 billion euro loss a year ago when it had a large one-time write-off.
A recent study by the Levy Institute estimates that operating profits for the S&P 500 have been inflated by at least 10% a year over the past two decades, thanks to a mix of one-time write-offs and other accounting tricks.
[C6.] Large Losses at MCI and Qwest MCI and Qwest Communications reported large losses in the third quarter, driven by a continued decline in revenue and one-time write-offs.
Furthermore, I.B.M. will take one-time write-offs related to its $200 million acquisition of Software Artistry, a maker of help-desk software, and will have unusual expenses related to its sponsorship of the Winter Olympics in Nagano, Japan.
While net earnings at both companies were hurt by one-time write-offs, their core product lines of armaments that have been used in Afghanistan and are being prepared for possible use in Iraq gave both companies solid cash flow and strong underlying growth.
