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Sale of I/O Technology (Details) - Sale of license of a portion of intellectual property pertaining to high-speed serial I/O technology $ in Millions	1 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($) employee
Patent Sale and License
Purchase agreement amount		$ 4.3
Number of employees of entity's India subsidiary accepted employment in purchaser | employee		15
Cash received upon execution of the agreement, net of transaction costs		$ 2.2
Gain on sale of assets
Patent Sale and License
Final payment received	$ 0.6

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