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Stock-Based Compensation (Details Textual) (USD $)
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12 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||
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Sep. 29, 2012
Employees
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Sep. 29, 2012
Stock options [Member]
Installment
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Sep. 24, 2011
Stock options [Member]
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Sep. 25, 2010
Stock options [Member]
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Sep. 27, 2008
Stock options [Member]
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Sep. 29, 2012
Restricted Stock Awards [Member]
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Sep. 24, 2011
Restricted Stock Awards [Member]
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Sep. 25, 2010
Restricted Stock Awards [Member]
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Sep. 26, 2009
Restricted Stock Awards [Member]
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Sep. 24, 2011
Performance Shares [Member]
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Sep. 25, 2010
Performance Shares [Member]
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Sep. 29, 2012
Performance Shares [Member]
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Sep. 29, 2012
Selling, General and Administrative Expenses [Member]
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Sep. 24, 2011
Selling, General and Administrative Expenses [Member]
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Sep. 25, 2010
Selling, General and Administrative Expenses [Member]
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Sep. 29, 2012
Selling, General and Administrative Expenses [Member]
Stock options [Member]
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Sep. 24, 2011
Selling, General and Administrative Expenses [Member]
Stock options [Member]
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Sep. 25, 2010
Selling, General and Administrative Expenses [Member]
Stock options [Member]
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Sep. 29, 2012
Selling, General and Administrative Expenses [Member]
Restricted Stock Awards [Member]
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Sep. 24, 2011
Selling, General and Administrative Expenses [Member]
Restricted Stock Awards [Member]
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Sep. 25, 2010
Selling, General and Administrative Expenses [Member]
Restricted Stock Awards [Member]
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Sep. 29, 2012
Selling, General and Administrative Expenses [Member]
Four hundred one plan (K) [Member]
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Sep. 24, 2011
Selling, General and Administrative Expenses [Member]
Four hundred one plan (K) [Member]
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Sep. 25, 2010
Selling, General and Administrative Expenses [Member]
Four hundred one plan (K) [Member]
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Sep. 29, 2012
Maximum [Member]
Restricted Stock Awards [Member]
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Sep. 29, 2012
Minimum [Member]
Restricted Stock Awards [Member]
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Feb. 28, 2005
2003 Plan [Member]
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Sep. 29, 2012
2003 Plan [Member]
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Sep. 29, 2012
2003 Plan [Member]
Stock options [Member]
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Feb. 28, 2012
2003 Plan [Member]
Class A Common Stock [Member]
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Feb. 28, 2009
2003 Plan [Member]
Class A Common Stock [Member]
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Sep. 29, 2012
2003 Plan [Member]
Class A Common Stock [Member]
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Sep. 29, 2012
2003 Plan [Member]
Common Stock [Member]
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Feb. 28, 2009
2003 Plan [Member]
Preferred Stock [Member]
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Sep. 29, 2012
2003 Plan [Member]
Preferred Stock [Member]
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Sep. 29, 2012
Director Plan [Member]
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Sep. 29, 2012
Director Plan [Member]
Restricted Stock Awards [Member]
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| Stock Based Compensation (Textual) [Abstract] | |||||||||||||||||||||||||||||||||||||
| Share based compensation, number of shares | 5,800,000 | 2,500,000 | 19,734,982 | 5,800,000 | 500,000 | ||||||||||||||||||||||||||||||||
| Increase authorized shares for issuance | 3,300,000 | 5,000,000 | 5,000,000 | 9,734,982 | 500,000 | ||||||||||||||||||||||||||||||||
| Shares reserved for outstanding equity awards | 9,100,000 | 3,100,000 | 0 | ||||||||||||||||||||||||||||||||||
| Granting of options | 1,937,000 | 200,000 | |||||||||||||||||||||||||||||||||||
| Number of shares of restricted stock | 159,000 | 496,000 | 180,000 | 20,000 | |||||||||||||||||||||||||||||||||
| Shares reserved for future awards | 9,000,000 | 1,900,000 | 500,000 | ||||||||||||||||||||||||||||||||||
| Share based compensation expense | $ 7,500,000 | $ 7,400,000 | $ 5,600,000 | $ 3,800,000 | $ 3,100,000 | $ 2,500,000 | $ 1,700,000 | $ 2,400,000 | $ 1,100,000 | $ 2,000,000 | $ 1,900,000 | $ 1,900,000 | |||||||||||||||||||||||||
| Stock option exercisable | 30 months | ||||||||||||||||||||||||||||||||||||
| Share based compensation arrangement by share based payment incremental Percentage of vesting beginning from two years of grant | 20.00% | ||||||||||||||||||||||||||||||||||||
| Share based compensation arrangement by share based payment award expiration period | 42 months | ||||||||||||||||||||||||||||||||||||
| Share based compensation arrangement by share based payment incremental Percentage of vesting beginning from three years of grant | 25.00% | ||||||||||||||||||||||||||||||||||||
| Share based compensation arrangement by share based payment incremental Percentage of vesting beginning from four years of grant | 33.00% | ||||||||||||||||||||||||||||||||||||
| Shares granted above the market price | 4,400,000 | ||||||||||||||||||||||||||||||||||||
| Options contingently vest up to five years | 20.00% | ||||||||||||||||||||||||||||||||||||
| Options contractual lives | 6 years | ||||||||||||||||||||||||||||||||||||
| Options scheduled to possibly vest | 216,000 | ||||||||||||||||||||||||||||||||||||
| Percentage of options granted and eligible to vest | 100.00% | ||||||||||||||||||||||||||||||||||||
| Cumulative Percentage of options vested that were eligible to vest | 97.00% | 99.00% | |||||||||||||||||||||||||||||||||||
| Expected life of option award | 3 years 6 months | 3 years 6 months | 3 years 6 months | ||||||||||||||||||||||||||||||||||
| Stock price volatility | 37.90% | 36.40% | 37.30% | ||||||||||||||||||||||||||||||||||
| Risk free interest rates | 0.90% | 2.20% | 2.00% | ||||||||||||||||||||||||||||||||||
| Dividend during expected term | $ 0.00 | ||||||||||||||||||||||||||||||||||||
| Weighted average grant date fair value of options granted | $ 2.72 | $ 2.04 | $ 2.65 | ||||||||||||||||||||||||||||||||||
| Total intrinsic value of options exercised | 5,100,000 | 2,600,000 | 2,200,000 | ||||||||||||||||||||||||||||||||||
| Total unrecognized compensation cost related to nonvested stock options | 10,800,000 | 4,500,000 | |||||||||||||||||||||||||||||||||||
| Nonvested stock options remaining weighted average vesting period | 3 years | 4 years | |||||||||||||||||||||||||||||||||||
| Restricted stock awards outstanding, shares | 785,000 | 804,000 | 432,000 | 518,000 | 7,000,000 | ||||||||||||||||||||||||||||||||
| Restricted stock awards generally vest percentage in increments | 25.00% | 20.00% | |||||||||||||||||||||||||||||||||||
| Share based payment award vesting period description | 3 years | 2 years | |||||||||||||||||||||||||||||||||||
| Share based payment award vesting conditional period of employment | 7 years | 6 years | |||||||||||||||||||||||||||||||||||
| Weighted average grant date fair value of restricted stock awards | $ 9.16 | $ 9.32 | $ 9.54 | ||||||||||||||||||||||||||||||||||
| Aggregate fair value as of the vesting date of restricted shares | 900,000 | 1,100,000 | 1,300,000 | ||||||||||||||||||||||||||||||||||
| Number of vesting installments | 4 | ||||||||||||||||||||||||||||||||||||
| Expiration period | 6 years | ||||||||||||||||||||||||||||||||||||
| Recorded additional compensation cost | 0 | ||||||||||||||||||||||||||||||||||||
| Number of affected employees | 250 | ||||||||||||||||||||||||||||||||||||
| Unvested options | 7,000,000 | ||||||||||||||||||||||||||||||||||||
| Options subject to performance based vesting criteria | $ 1,000,000 | ||||||||||||||||||||||||||||||||||||