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Note 11 - Segment and Geographic Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Business Combination, Acquisition Related Costs	$ 3,124	$ 6,372
Restructuring Charges		$ 2,151
Concentration Risk, Percentage		10.00%

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.

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