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Income Taxes (Provisions) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 26, 2012	Dec. 28, 2011	Dec. 29, 2010
Current:
Federal	$ 875	$ 0	$ 0
State, foreign, and other	1,148	1,919	1,058
Deferred:
Federal	9,683	2,879	235
State, foreign, and other	1,740	344	88
Provision for income taxes before release of valuation allowance	13,446	5,142	1,381
Release of valuation allowance	(661)	(89,102)	0
Total provisions for (benefit from) income taxes	$ 12,785	$ (83,960)	$ 1,381

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