| Ratios | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 | Mar 31, 2022 | Dec 31, 2021 | Sep 30, 2021 | Mar 31, 2021 | Dec 31, 2020 | Sep 30, 2020 | Mar 31, 2020 | Dec 31, 2019 | Sep 30, 2019 | Mar 31, 2019 | Dec 31, 2018 | Sep 30, 2018 | Mar 31, 2018 | Dec 31, 2017 | Sep 30, 2017 | Mar 31, 2017 | Dec 31, 2016 | Sep 30, 2016 | Mar 31, 2016 | Dec 31, 2015 | Sep 30, 2015 | Mar 31, 2015 | Dec 31, 2014 | Sep 30, 2014 | Mar 31, 2014 | Dec 31, 2013 | Sep 30, 2013 | Mar 31, 2013 | Dec 31, 2012 | Sep 30, 2012 | Mar 31, 2012 | Dec 31, 2011 | Sep 30, 2011 | Mar 31, 2011 | Dec 31, 2010 | Sep 30, 2010 | Mar 31, 2010 | Dec 31, 2009 | Sep 30, 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gross Margin | 49.51% | 51.22% | 51.37% | 50.98% | 52.39% | 52.06% | 51.20% | 52.69% | 51.99% | 48.16% | 47.54% | 47.38% | |||||||||||||||||||||||||||||||||||||||
Operating Margin | 21.55% | 24.16% | 26.16% | 23.05% | 26.24% | 26.67% | 22.08% | 20.68% | 26.37% | 21.17% | 23.03% | 23.96% | |||||||||||||||||||||||||||||||||||||||
Pretax Margin | 23.41% | 24.36% | 26.82% | 23.45% | 26.58% | 23.51% | 22.61% | 20.85% | 26.37% | 21.23% | 23.15% | 24.13% | |||||||||||||||||||||||||||||||||||||||
Effective Tax Rate | 20.90% | 20.15% | 20.87% | 18.72% | 20.41% | 22.54% | 17.78% | 22.43% | 21.61% | 20.28% | 18.22% | 20.79% | |||||||||||||||||||||||||||||||||||||||
Net Margin | 18.52% | 19.45% | 21.22% | 19.06% | 21.16% | 18.21% | 18.59% | 16.17% | 20.67% | 16.93% | 18.93% | 19.11% | |||||||||||||||||||||||||||||||||||||||
Current Ratio | 0.73x | 0.72x | 0.71x | 0.71x | 0.76x | 0.75x | 0.69x | 0.64x | 0.67x | 0.59x | 0.56x | 0.62x | |||||||||||||||||||||||||||||||||||||||
Debt to Equity | 1.35x | 1.39x | 1.38x | 1.34x | 1.38x | 1.43x | 1.38x | 1.47x | 1.55x | 1.64x | 1.63x | 1.62x | |||||||||||||||||||||||||||||||||||||||
Net Debt to Equity | 1.12x | 1.18x | 1.17x | 1.17x | 1.19x | 1.19x | 1.24x | 1.31x | 1.35x | 1.47x | 1.48x | 1.47x | |||||||||||||||||||||||||||||||||||||||
Asset Turnover | 16.54% | 17.45% | 17.54% | 16.08% | 17.84% | 17.19% | 16.89% | 17.76% | 17.85% | 16.74% | 17.65% | 17.73% | |||||||||||||||||||||||||||||||||||||||
Return on Equity | 7.18% | 8.10% | 8.87% | 7.17% | 9.00% | 7.59% | 7.46% | 7.10% | 9.42% | 7.48% | 8.79% | 8.88% | |||||||||||||||||||||||||||||||||||||||
Return on Assets | 3.06% | 3.39% | 3.72% | 3.06% | 3.78% | 3.13% | 3.14% | 2.87% | 3.69% | 2.83% | 3.34% | 3.39% |