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Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012	Mar. 31, 2012
Fair Value Disclosures [Abstract]
Senior Credit Facility amount outstanding	$ 105,000	$ 0	$ 0

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- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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