CTAS
Rank #76Rank #76 by gross profitability (GP/assets 0.51) · ROE 37.8% · Piotroski F-Score 7 / 9.
As-of 2026-07-22 · CIK 0000723254 · all metrics point-in-time as of the filing date.
Financials
Each fiscal year is read as-of that year’s own 10-K filing, so nothing restated after the fact leaks backwards. Line items this filer never tagged are omitted. Hover or tap a badge for the diagnostic behind it.
| Fiscal year end | 2019-05-31filed 2019-07-26 | 2018-05-31filed 2018-07-27 | 2017-05-31filed 2017-07-31 | 2016-05-31filed 2016-07-29 |
|---|---|---|---|---|
| Revenue | 6,892.3 | 6,476.6 | 5,323.4 | 4,905.5 |
| Revenue growth (YoY) | 6.4% | 21.7% | 11.0% | 9.6% |
| Gross profit | 3,128.6 | 2,908.5 | 2,380.3 | 2,129.9 |
| Gross margin | 45.4% | 44.9% | 44.7% | 43.4% |
| Selling, general & administrative | 1,980.6 | 1,916.8 | 1,527.4 | 1,348.1 |
| Operating income | 1,133.5 | 949.8 | 773.7 | 781.7 |
| Operating margin | 16.4% | 14.7% | 14.5% | 15.9% |
| Interest income | 1.2 | 1.3 | 0.2 | 0.9 |
| Interest expense | 101.7 | 110.2 | 86.5 | 64.5 |
| Pre-tax income | 1,102.4 | 841.0 | 687.4 | 718.1 |
| Income tax expense | 219.8 | 57.1 | 230.1 | 261.2 |
| Net income | 885.0 | 842.6 | 480.7 | 693.5 |
| Net margin | 12.8% | 13.0% | 9.0% | 14.1% |
| EPS (basic) | $8.25 | $7.78 | $4.49 | $6.30 |
| EPS (diluted) | $7.99 | $7.56 | $4.38 | $6.21 |
Figures are as originally filed with the SEC (point-in-time), not restated, so they can differ slightly from sites that show later-restated numbers. Why point-in-time?