Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

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

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+ Details

RESTRUCTURING AND MANAGEMENT SEPARATION CHARGES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended	3 Months Ended		9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011	Dec. 31, 2011	Sep. 29, 2012 Employee Severance [Member]	Jul. 02, 2011 Employee Severance [Member]	Sep. 29, 2012 Employee Severance [Member]	Sep. 29, 2012 Contract Termination [Member]	Sep. 29, 2012 Contract Termination [Member]	Apr. 02, 2011 Contract Termination [Member] Research and Development [Member]	Apr. 02, 2011 Contract Termination [Member] Research and Development [Member] Accelerated Stock Based Compensation [Member]	Apr. 02, 2011 Contract Termination [Member] Selling and Administrative [Member]	Apr. 02, 2011 Contract Termination [Member] Selling and Administrative [Member] Accelerated Stock Based Compensation [Member]
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated							40		10	40
Restructuring charges	$ 605	$ 0	$ 2,338	$ 1,047	$ 1,047	$ 605	$ 1,047	$ 2,338
Accrued restructuring costs	517		517		0
Restructuring Reserve [Roll Forward]
Beginning Balance			0	0	0
Additions	605	0	2,338	1,047	1,047	605	1,047	2,338
Deductions			1,821		(1,047)
Ending Balance	517		517		0
Severance Costs											$ 838	$ 568	$ 2,111	$ 116