BAR, Business Analysis and Reporting

Sources for Public Company Reporting: EPS, Segments, and Interim

Last reviewed 2026-10-06

The standards and authorities behind PocketCPA's BAR lessons on Public Company Reporting: EPS, Segments, and Interim. The topic rests on ASC 260 / ASC 280 / ASC 270.

About this topic

A company whose five segments combine to a 1.7 percent margin has three businesses running at 13 percent or better and one losing almost half of its own revenue. Every one of those figures is correct. The combined one describes nothing that is actually happening inside the entity, and a reader holding only the face of the income statement never learns that. Taking an aggregate apart so a reader can see what is inside it is the work this Topic does three times over, on three different aggregates.

ASC 260 takes a period's income apart per share, on the assumption that everything capable of becoming a share already has. ASC 280 takes one income statement apart by business, along the lines the entity's own management already uses internally. ASC 270 takes an annual result apart by quarter, on the view that the year rather than the quarter is the unit of account. The SEC rules sitting on top of all three settle which forms carry the answers, on what schedule, and with what level of assurance behind them.

Key points

Diluted EPS uses the treasury stock method for options and the if-converted method for convertible securities.
Segment reporting follows the management approach: segments match what the CODM reviews.
Interim financial reporting uses the integral approach: each quarter is part of the annual period.
LIFO liquidations expected to be reversed by year-end are not recognized at interim dates.

What the lessons cover

Earnings per share (ASC 260)
Segment reporting (ASC 280)
Interim reporting (ASC 270)
The SEC filing framework
The weighted-average share denominator
Treasury stock method mechanics (ASC 260-10-45-23)
If-converted mechanics (ASC 260-10-45-40)
Contingently issuable shares (ASC 260-10-45-48 through 45-57)
Antidilution ordering and a full diluted EPS computation
Interim income taxes: the estimated annual effective tax rate
Interim costs, inventory, and accounting changes
Interim disclosure, the fourth quarter, and what ASU 2025-11 changes
Segment data as an analytical input

Authoritative references

Earnings per share (ASC 260):

ASC 260-10-45-16, diluted EPS adds the effect of potential common shares.
ASC 260-10-45-21A and 45-40, the ASU 2020-06 rules for cash-settled principal and for a variable denominator.
ASC 260-10-45-22, 45-23, 45-28A and 45-29, the treasury stock method with assumed exercise proceeds buying back shares at the average market price, the proceeds defined as a sum of components, and forfeitures.
ASC 260-10-45-40, the if-converted method.
ASC 260-10-45-44 and 45-45, contingently convertible instruments included if dilutive whether or not the market price trigger has been met, and the share-settlement election rule.
ASC 260-10-45-48 through 45-57, contingently issuable shares.
ASC 260-10-50-1, the disclosure list, extended by ASU 2023-06.
ASC 260-10-55-4, 55-5 and 55-87, the average market price, and an out-of-the-money option contributing zero incremental shares to the averaging.

Segment reporting (ASC 280):

ASC 280-10-50-1, the operating segment definition.
ASC 280-10-50-11 through 50-14, the aggregation criteria, the 10 percent quantitative thresholds, the different small-segment combination rule, and the 75 percent floor of consolidated revenue.
ASC 280-10-50-22, 50-27 and 50-30 through 50-32, the required disclosures, segment amounts as the CODM's measures and not GAAP measures, the reconciliations with each significant reconciling item separately identified, and the interim disclosures added by ASU 2023-07.

Interim reporting (ASC 270):

ASC 270-10-45-4 through 45-6, cost of sales and inventory, including the LIFO layer exception at 45-6(b).
ASC 270-10-45-8 through 45-11, the objective of a fair measure of annual results, the allocation of costs across periods, the disclosure of seasonality, and the disposal of a component and unusual or infrequent items at 45-11A.
ASC 270-10-45-12 through 45-16, changes in accounting principles or estimates, a change in the estimated rate treated as a change in estimate, and materiality judged against full-year income and the trend of earnings, applying ASC 250-10-45-27.
ASC 270-10-45-20 through 45-25, form and content for entities that are not SEC registrants, condensed statements, and the availability of condensed statements.
ASC 270-10-45-10, 50-1, 50-2, 50-4 through 50-6 and 50-8 through 50-70, fourth-quarter adjustments, summarized interim data, the inference of the fourth quarter by subtraction, the disclosure items, and the cross-Topic lists restructured by ASU 2025-11, including the disclosure principle at 50-67 through 50-70.
ASC 270-10-50-20 and 50-21, the pointers to the ASC 260 EPS and ASC 280 segment disclosures.
ASC 740-270-30-2, the estimated annual effective tax rate applied to ordinary income in interim periods.
ASC 830-10-55-18, the principle on inventory losses recovered in later interim periods, stated in the foreign currency setting.

Amending Updates: ASU 2020-06, ASU 2023-06, ASU 2023-07 and ASU 2025-11.

How PocketCPA uses these sources

Every lesson is written in original words and cites the paragraph each rule comes from. No standard's text is reproduced. How lessons and questions are written and checked is set out in our methodology.