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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2011
Significant Accounting Policies [Abstract] |
Summary Of Activity In The Allowance For Doubtful Accounts |
|  | Balance at Beginning of Period |  |  | Charged to Costs and Expenses |  |  | Write-offs, Net of Recoveries |  |  | Balance at End of Period |
For the Fiscal Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade receivables |  | $ | 5,324 |  |  | $ | 4,503 |  |  | $ | (3,236 | ) |  | $ | 6,591 |
Other receivables |  |  | 7,499 |  |  |  | 3,293 |  |  |  | (3,024 | ) |  |  | 7,768 |
Other non-current receivables |  |  | 312 |  |  |  | 8 |  |  |  | (46 | ) |  |  | 274 |
|  | $ | 13,135 |  |  | $ | 7,804 |  |  | $ | (6,306 | ) |  | $ | 14,633 |
For the Fiscal Year Ended December 25, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade receivables |  | $ | 5,547 |  |  | $ | 1,395 |  |  | $ | (1,618 | ) |  | $ | 5,324 |
Other receivables |  |  | 6,727 |  |  |  | 2,516 |  |  |  | (1,744 | ) |  |  | 7,499 |
Other non-current receivables |  |  | 319 |  |  |  | 5 |  |  |  | (12 | ) |  |  | 312 |
|  | $ | 12,593 |  |  | $ | 3,916 |  |  | $ | (3,374 | ) |  | $ | 13,135 |
For the Fiscal Year Ended December 26, 2009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade receivables |  | $ | 6,230 |  |  | $ | 3,801 |  |  | $ | (4,484 | ) |  | $ | 5,547 |
Other receivables |  |  | 4,866 |  |  |  | 4,182 |  |  |  | (2,321 | ) |  |  | 6,727 |
Other non-current receivables |  |  | 316 |  |  |  | 3 |  |  |  |  |  |  |  | 319 |
|  | $ | 11,412 |  |  | $ | 7,986 |  |  | $ | (6,805 | ) |  | $ | 12,593 |
Reconciliation Of The Average Number Of Common Shares Outstanding To Average Number Of Diluted Shares Outstanding |
|  | Fiscal Year |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Average number of common shares outstanding |  |  | 47,444 |  |  |  | 49,523 |  |  |  | 51,095 |
Incremental shares from assumed exercises of stock options |  |  | 80 |  |  |  | 57 |  |  |  | 185 |
Average number of common shares and common share equivalents outstanding |  |  | 47,524 |  |  |  | 49,580 |  |  |  | 51,280 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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