| Ratios | Jun 30, 2026 | Mar 31, 2026 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Sep 30, 2022 | Jun 30, 2022 | Mar 31, 2022 | Sep 30, 2021 | Jun 30, 2021 | Mar 31, 2021 | Sep 30, 2020 | Jun 30, 2020 | Mar 31, 2020 | Sep 30, 2019 | Jun 30, 2019 | Mar 31, 2019 | Sep 30, 2018 | Jun 30, 2018 | Mar 31, 2018 | Sep 30, 2017 | Jun 30, 2017 | Mar 31, 2017 | Sep 30, 2016 | Jun 30, 2016 | Mar 31, 2016 | Sep 30, 2015 | Jun 30, 2015 | Mar 31, 2015 | Sep 30, 2014 | Jun 30, 2014 | Mar 31, 2014 | Sep 30, 2013 | Jun 30, 2013 | Mar 31, 2013 | Sep 30, 2012 | Jun 30, 2012 | Mar 31, 2012 | Sep 30, 2011 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gross Margin | 78.11% | 77.36% | 78.11% | 77.66% | 77.18% | 79.01% | 77.83% | 76.78% | 78.27% | 84.17% | 76.67% | 83.74% | |||||||||||||||||||||||||||||||||
Operating Margin | 51.59% | 52.71% | 42.47% | 41.79% | 41.05% | 61.43% | 50.96% | 36.82% | 46.07% | 57.60% | 32.74% | 52.26% | |||||||||||||||||||||||||||||||||
Pretax Margin | 50.80% | 47.56% | 39.56% | 29.57% | 31.92% | 52.43% | 47.54% | 33.92% | 43.89% | 55.44% | 30.01% | 63.27% | |||||||||||||||||||||||||||||||||
Effective Tax Rate | 8.78% | 4.39% | 6.23% | 3.62% | 6.35% | 0.39% | 4.51% | 4.94% | 4.91% | 5.83% | 6.04% | 3.49% | |||||||||||||||||||||||||||||||||
Net Margin | 43.79% | 42.74% | 34.52% | 26.16% | 27.71% | 49.39% | 42.90% | 29.94% | 39.05% | 49.61% | 26.27% | 58.00% | |||||||||||||||||||||||||||||||||
Debt to Equity | 0.74x | 0.69x | 0.72x | 0.71x | 0.65x | 0.66x | 0.61x | 0.61x | 0.58x | 0.59x | 0.54x | 0.54x | |||||||||||||||||||||||||||||||||
Net Debt to Equity | 0.71x | 0.68x | 0.70x | 0.69x | 0.64x | 0.65x | 0.60x | 0.61x | 0.57x | 0.58x | 0.53x | 0.52x | |||||||||||||||||||||||||||||||||
Asset Turnover | 2.40% | 2.34% | 2.25% | 2.23% | 2.23% | 2.12% | 2.15% | 2.10% | 2.08% | 2.65% | 2.00% | 2.87% | |||||||||||||||||||||||||||||||||
Return on Equity | 1.83% | 1.69% | 1.34% | 1.00% | 1.02% | 1.74% | 1.49% | 1.01% | 1.28% | 2.09% | 0.81% | 2.56% | |||||||||||||||||||||||||||||||||
Return on Assets | 1.05% | 1.00% | 0.78% | 0.58% | 0.62% | 1.05% | 0.92% | 0.63% | 0.81% | 1.32% | 0.52% | 1.67% |