Income Taxes - Summary of Activity Related to Unrecognized Tax Benefits (Details) (USD $)	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012	Jan. 01, 2011	Jan. 02, 2010
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 600,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, Beginning Period	12,727,000us-gaap_UnrecognizedTaxBenefits			12,122,000us-gaap_UnrecognizedTaxBenefits	15,591,000us-gaap_UnrecognizedTaxBenefits
Increases to current year tax positions	3,270,000	1,718,000	1,572,000
Increase to prior year tax positions	1,105,000	2,000	84,000
Decrease to prior year tax positions	(189,000)	(532,000)	(1,289,000)
Lapse of statute of limitations	(4,092,000)	0	(3,836,000)
Lapse of statute of limitations	347,000	583,000
Balance, Ending Period	$ 12,474,000us-gaap_UnrecognizedTaxBenefits	$ 12,727,000us-gaap_UnrecognizedTaxBenefits		$ 12,122,000us-gaap_UnrecognizedTaxBenefits	$ 15,591,000us-gaap_UnrecognizedTaxBenefits

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

+ References

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-Publisher FASB

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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