Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits-beginning of the period	$ 3,599	$ 3,370	$ 1,032
Foreign currency movements	0	0	(15)
Gross increases-tax positions in prior period	0	154	1,971
Gross decreases-tax positions in prior period	(183)	0	0
Gross increases-current-period tax positions	265	622	530
Lapse of statute of limitations	(217)	(547)	(148)
Unrecognized tax benefits - end of the period	$ 3,464	$ 3,599	$ 3,370

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

+ References

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

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-Name Accounting Standards Codification

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Gross amount of decreases in unrecognized tax benefits resulting from foreign currency translation.

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No definition available.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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