The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of amortization expense expected to be recognized in the remainder of the fiscal year following the latest fiscal year ended for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Intangible Assets Narrative (Details) (USD $)	3 Months Ended		9 Months Ended
Intangible Assets Narrative (Details) (USD $)	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Goodwill [Line Items]
Intangible assets, net	$ 76,700,000		$ 76,700,000		$ 75,663,000
Amortization of intangible assets	2,284,000	2,172,000	6,731,000	6,471,000
Amortization in 2013					8,000,000
Amortization in 2014					7,000,000
Amortization of 2015					7,000,000
Amortization of 2016					7,000,000
Amortization of 2017					$ 7,000,000