Comprehensive Income (Details) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 28, 2011	Jun. 29, 2010	Jun. 28, 2011	Jun. 29, 2010
Comprehensive Income.
Net income	$ 24,748	$ 19,229	$ 45,204	$ 37,895
Unrealized (gain)/loss on derivative financial instruments		(63)		41
Loss reclassified into income due to cancellation of financial instrument		4,578		4,578
Total comprehensive income	$ 24,748	$ 23,744	$ 45,204	$ 42,514

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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+ Details

- Definition

Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

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+ Details

- Definition

Change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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