| Fiscal period | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
|---|
| Period End Date | 8/31/2020 | 8/31/2019 | 8/31/2018 | 8/31/2017 | 8/31/2016 | 8/31/2015 | 8/31/2014 | 8/31/2013 | 8/31/2012 | 8/31/2011 |
|---|
| Revenues | 1,804.16 | 1,809.38 | 1,696.49 | 1,590.96 | 1,468.05 | 1,456.61 | 1,394.90 | 1,355.52 | 1,256.29 | 1,134.13 |
| Total Revenues | 1,804.16 | 1,809.38 | 1,696.49 | 1,590.96 | 1,468.05 | 1,456.61 | 1,394.90 | 1,355.52 | 1,256.29 | 1,134.13 |
| Operating costs | -- | -- | -- | 993.59 | -- | -- | -- | -- | -- | -- |
| Cost of revenues | 1,164.93 | 1,139.20 | 1,056.72 | -- | 900.43 | 884.66 | 858.31 | 836.17 | 797.94 | 712.31 |
| Gross Profit | -- | -- | -- | -- | -- | 571.94 | -- | -- | 458.35 | -- |
| Depreciation and amortization | 104.70 | 103.33 | 96.66 | 88.88 | 81.61 | 77.11 | 71.75 | 69.61 | 66.44 | 64.73 |
| Selling and administrative expenses | 361.80 | 334.84 | 360.73 | 342.41 | 284.85 | 294.44 | 271.56 | 263.53 | 240.80 | 233.11 |
| Impairment charge | -- | -- | -- | (55.80) | 0.00 | 0.00 | -- | -- | -- | -- |
| Total Operating Expenses | 1,631.43 | 1,577.37 | 1,514.11 | 1,480.68 | 1,266.89 | 1,256.22 | 1,201.62 | 1,169.31 | 1,105.18 | 1,010.15 |
| Operating Income (loss) | 172.73 | 232.01 | 182.38 | 110.28 | 201.16 | 200.38 | 193.28 | 186.20 | 151.11 | 123.97 |
| Interest expense | -- | -- | -- | -- | -- | -- | 0.77 | 1.65 | 2.13 | 6.74 |
| Interest income | 6.38 | 9.08 | 5.54 | 4.27 | 2.54 | 2.44 | 3.13 | 3.20 | 2.74 | 2.55 |
| Other income (expense), net | (1.22) | (3.17) | (0.67) | 0.57 | (0.33) | (1.55) | -- | -- | -- | -- |
| Interest rate swap income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Foreign exchange loss (gain) | -- | -- | -- | -- | -- | -- | (0.28) | (0.14) | (0.98) | 0.79 |
| Income (loss) before income taxes | 177.89 | 237.92 | 187.25 | 115.12 | 203.37 | 201.27 | 195.35 | 187.61 | 150.73 | 120.57 |
| Provision for income taxes | 42.12 | 58.79 | 23.35 | 44.93 | 78.35 | 76.97 | 75.43 | 70.92 | 55.75 | 44.09 |
| Current- Federal | 40.08 | 38.55 | 23.82 | 37.03 | 54.65 | 65.66 | 54.01 | 39.46 | 43.47 | 22.37 |
| Deferred- Federal | (8.52) | 7.29 | (11.52) | (0.52) | 10.80 | (2.71) | 6.84 | 17.51 | 0.54 | 11.42 |
| Deferred- Foreign | (0.60) | 0.65 | 0.36 | 0.12 | (0.22) | 0.03 | 0.06 | 0.15 | 0.09 | (0.09) |
| Current- State | 12.87 | 11.73 | 8.01 | 6.64 | 10.00 | 11.18 | 9.22 | 6.72 | 8.07 | 5.09 |
| Deferred- State | (3.30) | 0.78 | 2.15 | (0.34) | 1.44 | (0.55) | 1.83 | 3.08 | (0.03) | 1.63 |
| Current- Foreign | 1.59 | (0.20) | 0.53 | 2.00 | 1.67 | 3.35 | 3.48 | 4.00 | 3.60 | 3.66 |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Income (Loss) Available to Common Shareholders | 135.77 | 179.13 | 163.90 | 70.20 | 125.03 | 124.30 | 119.93 | 116.69 | 94.99 | 76.49 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Class B Common share- Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share-Basic- Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of an accounting change, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Class B Common share- Cumulative effect of an accounting change, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share-Basic- Cumulative effect income per share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share - Basic | 7.18 | 9.39 | 8.27 | 3.48 | 6.23 | 6.23 | 6.06 | 5.94 | 4.86 | 3.93 |
| Income per share-Basic- Common Stock | 7.46 | 9.77 | 8.66 | 3.63 | 6.51 | 6.50 | 6.29 | 6.14 | 5.02 | 4.05 |
| Income per share-Basic- Class B Common Stock | 5.97 | 7.81 | 6.91 | 2.91 | 5.21 | 5.20 | 5.03 | 4.91 | 4.01 | 3.24 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share-Diluted- Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Class B Common share- Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share-Diluted- Cumulative effect income per share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share - Class B Common share - diluted | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income per share - Diluted | 7.13 | 9.33 | 8.21 | 3.44 | 6.17 | 6.15 | 5.95 | 5.81 | 4.76 | 3.85 |
| Income per share-Diluted- Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted average-basic number of shares outstanding- Common Stock | 15.28 | 15.39 | 15.45 | 15.38 | 15.25 | 15.18 | 15.08 | 14.98 | 14.88 | 14.79 |
| Weighted average-basic number of shares outstanding- Class B Common Stock | 3.64 | 3.70 | 4.36 | 4.79 | 4.82 | 4.76 | 4.71 | 4.67 | 4.64 | 4.66 |
| Weighted average-diluted number of shares outstanding- Common Stock | 19.04 | 19.20 | 19.96 | 20.28 | 20.15 | 20.08 | 19.94 | 19.79 | 19.62 | 19.53 |
| Weighted average-diluted number of shares outstanding- Class B Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |