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Consolidated Statements of Income (USD $) In Thousands, except Per Share data | 12 Months Ended
--- | ---
Aug. 27, 2011 | Aug. 28, 2010 | Aug. 29, 2009
Consolidated Statements of Income [Abstract] |  |  |  |  |  |
Revenues | $ 1,134,126 |  | $ 1,025,939 |  | $ 1,013,416 |
Operating expenses: |  |  |  |  |  |
Cost of revenues | 712,309 | [1] | 620,727 | [1] | 609,629 | [1]
Selling and administrative expenses | 233,111 | [1] | 213,463 | [1] | 211,962 | [1]
Depreciation and amortization | 64,733 |  | 61,477 |  | 57,789 |
Total operating expenses | 1,010,153 |  | 895,667 |  | 879,380 |
Income from operations | 123,973 |  | 130,272 |  | 134,036 |
Other expense (income): |  |  |  |  |  |
Interest expense | 6,738 |  | 8,778 |  | 9,313 |
Interest income | (2,552) |  | (2,104) |  | (1,992) |
Foreign exchange (gain) loss | (785) |  | 746 |  | 250 |
Total other expense | 3,401 |  | 7,420 |  | 7,571 |
Income before income taxes | 120,572 |  | 122,852 |  | 126,465 |
Provision for income taxes | 44,086 |  | 46,444 |  | 50,613 |
Net income | 76,486 |  | 76,408 |  | 75,852 |
Income per share - Basic: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 4.05 |  | $ 4.11 |  | $ 4.14 |
Income per share - Diluted: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 3.85 |  | $ 3.90 |  | $ 3.92 |
Income allocated to - Diluted: |  |  |  |  |  |
Common Stock | 75,118 |  | 75,827 |  | 75,852 |
Weighted average number of shares outstanding - Basic: |  |  |  |  |  |
Common Stock (in shares) | 19,854 |  | 19,564 |  | 19,329 |
Weighted average number of shares outstanding - Diluted: |  |  |  |  |  |
Common Stock (in shares) | 19,532 |  | 19,458 |  | 19,373 |
Common Class A [Member] |  |  |  |  |  |
Income per share - Basic: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 4.05 |  | $ 4.11 |  | $ 4.14 |
Income per share - Diluted: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 3.85 |  | $ 3.90 |  | $ 3.92 |
Income allocated to - Basic: |  |  |  |  |  |
Common Stock | 59,944 |  | 59,921 |  | 59,526 |
Income allocated to - Diluted: |  |  |  |  |  |
Common Stock | 75,118 |  | 75,827 |  | 75,852 |
Weighted average number of shares outstanding - Basic: |  |  |  |  |  |
Common Stock (in shares) | 14,791 |  | 14,570 |  | 14,394 |
Weighted average number of shares outstanding - Diluted: |  |  |  |  |  |
Common Stock (in shares) | 19,532 |  | 19,458 |  | 19,373 |
Dividends per share: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 0.15 |  | $ 0.15 |  | $ 0.15 |
Common Class B [Member] |  |  |  |  |  |
Other expense (income): |  |  |  |  |  |
Net income | 15,104 |  | 15,875 |  | 16,326 |
Income per share - Basic: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 3.24 |  | $ 3.29 |  | $ 3.31 |
Income allocated to - Basic: |  |  |  |  |  |
Common Stock | $ 15,104 |  | $ 15,875 |  | $ 16,326 |
Weighted average number of shares outstanding - Basic: |  |  |  |  |  |
Common Stock (in shares) | 4,658 |  | 4,823 |  | 4,935 |
Weighted average number of shares outstanding - Diluted: |  |  |  |  |  |
Common Stock (in shares) | 4,658 |  | 4,823 |  | 4,935 |
Dividends per share: |  |  |  |  |  |
Common Stock (in dollars per share) | $ 0.12 |  | $ 0.12 |  | $ 0.12 |
[1] | Exclusive of depreciation on the Company's property, plant and equipment and amortization of its intangible assets.

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