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v3.22.2.2

Stock-based Compensation Plans (Tables) | 12 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021
Share-Based Payment Arrangement [Abstract] |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] | The effect of stock-based compensation on our consolidated statements of operations is presented below. Such amounts are included within selling, general, and administrative costs.
| 2022 |  | 2021 |  | 2020
| (in millions, except per share data)
Decrease in operating income | $ | 9.9 |  |  | $ | 11.0 |  |  | $ | 7.2 |
Decrease in net income | 7.6 |  |  | 8.2 |  |  | 5.5 |
Decrease in earnings per basic share | 0.05 |  |  | 0.05 |  |  | 0.03 |
Decrease in earnings per diluted share | 0.05 |  |  | 0.05 |  |  | 0.03 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity | Restricted stock unit activity under the 2006 Plan is summarized below.
| Restricted stock units |  | Weighted average grant date fair value per unit |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value (millions)
Outstanding at September 30, 2019 | 437,022 |  |  | $ | 11.31 |  |  | 0.9 |  |
Granted | 301,979 |  |  | 11.55 |  |  |  |  |
Vested | (295,241) |  |  | 11.40 |  |  |  |  | $ | 3.4 |
Cancelled | (35,254) |  |  | 11.48 |  |  |  |  |
Outstanding at September 30, 2020 | 408,506 |  |  | 11.41 |  |  | 0.9 |  |
Granted | 220,795 |  |  | 12.29 |  |  |  |  |
Vested | (228,121) |  |  | 11.62 |  |  |  |  | $ | 2.8 |
Cancelled | (5,083) |  |  | 11.41 |  |  |  |  |
Outstanding at September 30, 2021 | 396,097 |  |  | 11.78 |  |  | 0.8 |  |
Granted | 223,379 |  |  | 13.41 |  |  |  |  |
Vested | (251,981) |  |  | 11.81 |  |  |  |  | $ | 2.8 |
Cancelled | (8,763) |  |  | 11.87 |  |  |  |  |
Outstanding at September 30, 2022 | 358,732 |  |  | $ | 12.77 |  |  | 0.7 |  |
Schedule of Nonvested Performance-based Units Activity [Table Text Block] | Stock-settled PRSUs activity under the 2006 Plan is summarized below.
Award date |  | Settlement year |  | Performance period |  | Grant date per unit fair value |  | Units awarded |  | Units forfeited |  | Net units |  | Performance factor |  | Shares earned
November 29, 2016 |  | 2020 |  | 2017 |  | $ | 13.26 |  |  | 59,285 |  |  | (5,279) |  |  | 54,006 |  |  | 1.000 |  | 54,006 |
|  |  |  | 2018 |  | $ | 12.50 |  |  | 59,286 |  |  | (39,910) |  |  | 19,376 |  |  | 1.357 |  | 26,294 |
|  |  |  | 2019 |  | $ | 10.53 |  |  | 59,290 |  |  | (39,909) |  |  | 19,381 |  |  | 0.645 |  | 12,501 |
January 23, 2017 |  | 2020 |  | 2017 |  | $ | 13.15 |  |  | 19,012 |  |  | — |  |  | 19,012 |  |  | 1.000 |  | 19,012 |
|  |  |  | 2018 |  | $ | 12.50 |  |  | 19,011 |  |  | — |  |  | 19,011 |  |  | 1.357 |  | 25,798 |
|  |  |  | 2019 |  | $ | 10.53 |  |  | 19,011 |  |  | — |  |  | 19,011 |  |  | 0.645 |  | 12,263 |
November 28, 2017 |  | 2021 |  | 2018 |  | $ | 12.50 |  |  | 57,092 |  |  | — |  |  | 57,092 |  |  | 1.357 |  | 77,474 |
|  |  |  | 2019 |  | $ | 10.53 |  |  | 57,092 |  |  | (4,793) |  |  | 52,299 |  |  | 0.645 |  | 33,733 |
|  |  |  | 2020 |  | $ | 11.26 |  |  | 57,104 |  |  | (21,679) |  |  | 35,425 |  |  | 0.909 |  | 32,202 |
November 27, 2018 |  | 2022 |  | 2019 |  | $ | 10.53 |  |  | 110,954 |  |  | (8,751) |  |  | 102,203 |  |  | 0.645 |  | 65,921 |
|  |  |  | 2020 |  | $ | 11.26 |  |  | 110,954 |  |  | (13,182) |  |  | 97,772 |  |  | 0.909 |  | 88,875 |
|  |  |  | 2021 |  | $ | 11.86 |  |  | 110,967 |  |  | (28,478) |  |  | 82,489 |  |  | 1.161 |  | 95,770 |
December 3, 2019 |  | 2023 |  | 2020 |  | $ | 11.26 |  |  | 69,988 |  |  | (2,391) |  |  | 67,597 |  |  | 0.909 |  | 61,446 |
|  |  |  | 2021 |  | $ | 11.86 |  |  | 69,989 |  |  | (9,614) |  |  | 60,375 |  |  | 1.161 |  | 70,096 |
|  |  |  | 2022 |  | $ | 13.81 |  |  | 69,988 |  |  | (9,614) |  |  | 60,374 |  |  | 0.700 |  | 42,262 |
Schedule of Share-based Compensation. Options | Stock option activity under the 2006 Plan is summarized below.
| Options |  | Weighted average exercise price per option |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value (millions)
Outstanding at September 30, 2019 | 862,390 |  |  | $ | 4.89 |  |  | 2.0 |  | $ | 5.5 |
Exercised | (534,291) |  |  | 4.15 |  |  |  |  | 3.3 |
Cancelled | — |  |  | — |  |  |  |  |
Outstanding at September 30, 2020 | 328,099 |  |  | $ | 6.11 |  |  | 2.3 |  | $ | 1.4 |
Granted | 431,520 |  |  | 11.86 |  |  |  |  |
Exercised | (151,399) |  |  | 4.09 |  |  |  |  | 1.7 |
Cancelled | (8,421) |  |  | — |  |  |  |  |
Outstanding at September 30, 2021 | 599,799 |  |  | $ | 10.67 |  |  | 7.8 |  | $ | 2.7 |
Granted | 457,482 |  |  | 13.64 |  |  |  |  |
Exercised | (36,731) |  |  | 5.67 |  |  |  |  | 0.2 |
Cancelled | (7,257) |  |  | — |  |  |  |  |
Outstanding at September 30, 2022 | 1,013,293 |  |  | $ | 12.19 |  |  | 7.7 |  | $ | 0.3 |
Exercisable at September 30, 2022 | 278,569 |  |  | $ | 10.12 |  |  | 4.8 |  | $ | 0.3 |
Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] |  | The ranges of exercise prices for stock options outstanding at September 30, 2022 are summarized below.
Exercise price |  | Options |  | Weighted average exercise price |  | Weighted average remaining contractual term (years) |  | Exercisable options |  | Weighted average exercise price
| $ | 5.00 |  | - | $ | 9.99 |  |  |  | 139,969 |  |  | 8.40 |  |  | 1.4 |  | 139,969 |  |  | 8.40 |
| $10.00 | - | $14.99 |  |  | 873,324 |  |  | $ | 12.79 |  |  | 8.7 |  | 138,600 |  |  | $ | 11.86 |
|  |  |  |  |  | 1,013,293 |  |  | $ | 12.19 |  |  | 7.7 |  | 278,569 |  |  | $ | 10.12 |
Schedule of Share-based Compensation, Phantom Award, Activity | Phantom Plan activity is summarized below.
| Phantom Plan units |  | Weighted average grant date fair value per unit |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value (millions)
Outstanding at September 30, 2019 | 256,154 |  |  | $ | 11.61 |  |  | 0.9 |  |
Granted | 188,973 |  |  | 11.26 |  |  |  |  |
Vested | (118,908) |  |  |  |  |  |  | $ | 1.3 |
Cancelled | (11,744) |  |  | 11.23 |  |  |  |  |
Outstanding at September 30, 2020 | 314,475 |  |  | 11.16 |  |  | 0.9 |  |
Granted | 185,808 |  |  | 11.91 |  |  |  |  |
Vested | (131,182) |  |  |  |  |  |  | $ | 1.6 |
Cancelled | (24,257) |  |  | 11.30 |  |  |  |  |
Outstanding at September 30, 2021 | 344,844 |  |  | 11.51 |  |  | 0.9 |  |
Granted | 203,834 |  |  | 13.60 |  |  |  |  |
Vested | (162,969) |  |  |  |  |  |  | $ | 1.6 |
Cancelled | (46,578) |  |  | 12.39 |  |  |  |  |
Outstanding at September 30, 2022 | 339,131 |  |  | $ | 12.74 |  |  | 1.1 |  |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The assumptions used to determine the grant date fair value are indicated below for grants issued during our 2022 fiscal year.
| November 30, 2021
Variables used in determining grant date fair value: |
Dividend yield | 1.62%
Risk-free rate | 1.33%
Expected term (in years) | 6.0

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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