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Debt and Lines of Credit (Tables) | 12 Months Ended
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Aug. 31, 2019
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | Our debt at August 31, 2019 and 2018 consisted of the following (in millions):
| August 31,
| 2019 |  | 2018
Senior unsecured public notes due December 2019, principal | $ | 350.0 |  |  | $ | 350.0 |
Senior unsecured public notes due December 2019, unamortized discount and deferred costs | (0.1 | ) |  | (0.5 | )
Industrial revenue bond due June 2021 | 4.0 |  |  | 4.0 |
Bank loans | 2.7 |  |  | 3.3 |
Total debt outstanding, net of unamortized discount and deferred costs | $ | 356.6 |  |  | $ | 356.8 |

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