Income Taxes (Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 25, 2012	Dec. 27, 2011
Reconciliation unrecognized tax benefits
Beginning balance	$ 4,607	$ 9,527	$ 9,049
Purchase accounting adjustments	0	(6,682)	0
Additions based on tax positions related to the current year	0	2,439	64
Lapse of applicable statute of limitations	(743)	(895)	(50)
Additional interest / penalties accrued	113	218	634
Adjustments to prior year positions	0	0	(170)
Ending balance	$ 3,977	$ 4,607	$ 9,527

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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.

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-Name Accounting Standards Codification

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Gross amount of decreases in unrecognized tax benefits resulting from acquisitions.

+ References

No definition available.

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- Definition

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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- Definition

This element represents the total of interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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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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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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