Commitments and Contingencies (Legal Proceedings) (Details) - Pending Litigation [Member] - lawsuit_filed |
May. 02, 2012 |
Apr. 02, 2012 |
Feb. 29, 2012 |
Feb. 24, 2012 |
Feb. 13, 2012 |
Feb. 09, 2012 |
Jan. 27, 2012 |
Jan. 13, 2012 |
Nov. 23, 2011 |
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United States District Court for the Northern District of California [Member] | |||||||||
Loss Contingencies [Line Items] | |||||||||
Shareholder suits | 1 | 1 | 1 | ||||||
Superior Court of California, Santa Clara County [Member] | |||||||||
Loss Contingencies [Line Items] | |||||||||
Shareholder suits | 1 | 1 | 1 | 1 | 1 | 1 |