Gross appreciation or the gross loss in value of the total unsold securities. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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+ Details

- Definition

Gross appreciation or the gross loss in value of the total of unsold available-for-sale securities during the period being reported (except when designated as a fair value hedge).

+ References

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+ Details

Investments Available-for-sale Security (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 24, 2012	Jun. 26, 2011	Jun. 24, 2012	Jun. 26, 2011
Available-for-sale security
Unrealized gain on available-for-sale security	$ (3,425)	$ 0	$ 3,589	$ 0
Available-for-sale Securities [Member]
Available-for-sale security
Unrealized gain on available-for-sale security			3,589
Unrealized gain on available-for-sale security, net of tax			$ 2,102