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Stockholders' Equity (Details) (USD $) | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 29, 2012 | Dec. 31, 2011 | Jan. 01, 2011 | Jan. 31, 2013 Maximum | Apr. 30, 2012 Maximum | Oct. 31, 2011 Maximum | Jul. 31, 2010 Maximum | Oct. 31, 2009 Maximum
Value of common stock board of directors authorized to repurchase (in USD) |  |  |  | $ 50,000,000 | $ 100,000,000 | $ 50,000,000 | $ 150,000,000 | $ 150,000,000
Stock issuances under employee plans, net of shares withheld for taxes (in shares) | 1,600,000 |  |  |  |  |  |  |
Shares withheld to satisfy employee tax obligation | 300,000 |  |  |  |  |  |  |
Repurchases of common stock (in shares) | 1,700,000 | 3,200,000 | 3,300,000 |  |  |  |  |
Repurchases of common stock | 62,019,000 | 110,063,000 | 140,332,000 |  |  |  |  |
Components of accumulated other comprehensive loss, net of taxes |  |  |  |  |  |  |  |
Unrealized Losses on Cash Flow Hedges, balance at beginning of period | (1,299,000) | (2,477,000) | (2,919,000) |  |  |  |  |
Unrealized Losses on Cash Flow Hedges, period change | 871,000 | 1,178,000 | 442,000 |  |  |  |  |
Unrealized Losses on Cash Flow Hedges, balance at end of period | (428,000) | (1,299,000) | (2,477,000) |  |  |  |  |
Net Unrealized Losses on Available-For-Sale Securities, balance at beginning of period | (1,168,000) | (1,171,000) | (1,437,000) |  |  |  |  |
Net Unrealized Losses on Available-For-Sale Securities, period change | 650,000 | 3,000 | 266,000 |  |  |  |  |
Net Unrealized Losses on Available-For-Sale Securities, balance at end of period | (518,000) | (1,168,000) | (1,171,000) |  |  |  |  |
Accumulated other comprehensive income (loss), balance at beginning of period | (2,467,000) | (3,648,000) | (4,356,000) |  |  |  |  |
Other comprehensive income, period change | 1,521,000 | 1,181,000 | 708,000 |  |  |  |  |
Accumulated other comprehensive income (loss), balance at end of period | (946,000) | (2,467,000) | (3,648,000) |  |  |  |  |
Net changes to available-for-sale securities |  |  |  |  |  |  |  |
Unrealized gains arising during the period, income tax (expense)/benefit | (350,000) | (1,000) | (143,000) |  |  |  |  |
Net changes to cash flow hedges |  |  |  |  |  |  |  |
Unrealized losses arising during the period, income tax (expense)/benefit | 335,000 | 148,000 | 924,000 |  |  |  |  |
Reclassification for losses included in net income, income tax (expense)/benefit | (803,000) | (783,000) | (1,162,000) |  |  |  |  |
Other comprehensive income, income tax (expense)/benefit | $ (818,000) | $ (636,000) | $ (381,000) |  |  |  |  |

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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount authorized by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration