Federal Signal Corporation (FSS)

Operating profit margin

		Dec 31, 2023	Sep 30, 2023	Jun 30, 2023	Mar 31, 2023	Dec 31, 2022	Sep 30, 2022	Jun 30, 2022	Mar 31, 2022	Dec 31, 2021	Sep 30, 2021	Jun 30, 2021	Mar 31, 2021	Dec 31, 2020	Sep 30, 2020	Jun 30, 2020	Mar 31, 2020	Dec 31, 2019	Sep 30, 2019	Jun 30, 2019	Mar 31, 2019
Operating income (ttm)	US$ in thousands	224,500	208,000	185,000	171,800	160,800	144,300	139,100	131,400	130,700	134,400	134,100	126,900	131,400	134,000	138,600	153,600	147,100	144,100	135,900	127,700
Revenue (ttm)	US$ in thousands	1,722,700	1,665,800	1,565,800	1,490,100	1,434,800	1,344,700	1,296,600	1,264,600	1,213,200	1,206,600	1,188,100	1,123,500	1,130,800	1,150,400	1,179,400	1,233,600	1,221,300	1,186,300	1,146,900	1,113,600
Operating profit margin		13.03%	12.49%	11.82%	11.53%	11.21%	10.73%	10.73%	10.39%	10.77%	11.14%	11.29%	11.30%	11.62%	11.65%	11.75%	12.45%	12.04%	12.15%	11.85%	11.47%

December 31, 2023 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $224,500K ÷ $1,722,700K
= 13.03%

Federal Signal Corp.'s operating profit margin has shown a gradual increase over the past quarters, indicating improved operational efficiency and profitability. In Q4 2023, the operating profit margin reached 13.06%, the highest level in the provided data set. This steady improvement in operating profit margin demonstrates the company's ability to control costs and effectively manage its operations. The consistent growth in operating profit margin suggests that Federal Signal Corp. has been successful in generating more profit from its core business activities. Overall, the upward trend in operating profit margin reflects positively on the company's financial performance and management strategies.