The formulas
- Preliminary = carrying amount - fair value
- Loss = preliminary / (1 - tax rate), capped at goodwill
- Deferred tax effect = loss x tax rate
How it works
ASU 2017-04 removed step 2: the impairment is the amount by which the carrying amount exceeds fair value, limited to goodwill. When goodwill is tax deductible, recognizing the loss raises the deferred tax asset and pushes the carrying amount back above fair value. ASC 350-20-35-8B solves this with the simultaneous equation from ASC 805-740-55-9 to 55-13.
The example is Example 2A in ASC 350-20-55-23A to 55-23C: carrying amount $1,000, fair value $900, 40 percent rate. The loss is $167 and the deferred tax asset rises by $67, leaving carrying amount equal to fair value.
Illustrative figures only. Check the result against your firm's methodology before relying on it.
Common questions
What if only part of the goodwill is deductible?
The gross-up applies to the tax-deductible portion. Model the deductible and non-deductible portions separately.
Can the loss exceed goodwill?
No. ASC 350-20-35-8B caps the total loss at goodwill allocated to the reporting unit.
Is a qualitative assessment still allowed first?
Yes. An entity may assess qualitative factors before the quantitative test.
Sources
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