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Stock-Based Compensation - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 28, 2013
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Sep. 28, 2013
Restricted Stock Awards [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. 27, 2008
Stock Options [Member]
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Sep. 28, 2013
Selling, General and Administrative Expenses [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. 28, 2013
Selling, General and Administrative Expenses [Member]
Restricted Stock Awards [Member]
|
Sep. 29, 2012
Selling, General and Administrative Expenses [Member]
Restricted Stock Awards [Member]
|
Sep. 24, 2011
Selling, General and Administrative Expenses [Member]
Restricted Stock Awards [Member]
|
Sep. 28, 2013
Selling, General and Administrative Expenses [Member]
Stock Options [Member]
|
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]
|
Sep. 28, 2013
Selling, General and Administrative Expenses [Member]
Four Hundred One Plan (K) [Member]
|
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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Feb. 28, 2005
2003 Plan [Member]
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Sep. 28, 2013
2003 Plan [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. 28, 2013
2003 Plan [Member]
Class A Common Stock [Member]
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Feb. 28, 2009
2003 Plan [Member]
Preferred Stock [Member]
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Sep. 28, 2013
2003 Plan [Member]
Preferred Stock [Member]
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Sep. 28, 2013
2003 Plan [Member]
Common Stock [Member]
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Sep. 28, 2013
Director Plan [Member]
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Sep. 28, 2013
Director Plan [Member]
Restricted Stock Awards [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||||||
| Share based compensation, number of shares | 5,800,000 | 2,500,000 | 19,734,982 | 500,000 | 5,800,000 | ||||||||||||||||||||||
| Increase authorized shares for issuance | 3,300,000 | 5,000,000 | 5,000,000 | 9,734,982 | 500,000 | ||||||||||||||||||||||
| Granting of options | 2,000,000 | 200,000 | |||||||||||||||||||||||||
| Number of shares of restricted stock | 552,000 | 159,000 | 496,000 | 20,000 | |||||||||||||||||||||||
| Shares reserved for outstanding equity awards | 10,400,000 | 0 | 3,100,000 | ||||||||||||||||||||||||
| Shares reserved for future awards | 7,500,000 | 500,000 | 1,900,000 | ||||||||||||||||||||||||
| Share-based compensation expense | $ 15.9 | $ 7.5 | $ 7.4 | $ 11.2 | $ 1.7 | $ 2.4 | $ 2.7 | $ 3.8 | $ 3.1 | $ 2.0 | $ 2.0 | $ 1.9 | |||||||||||||||
| Stock options exercisable | 30 months | ||||||||||||||||||||||||||
| 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 two years of grant | 20.00% | ||||||||||||||||||||||||||
| 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% | ||||||||||||||||||||||||||