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Shareholders' Equity (Shares Reserved for Future Issuance) (Details)
In Thousands, unless otherwise specified
Jun. 30, 2013
Common Stock [Member]
  
Class of Stock [Line Items]  
Reserved for exercise of outstanding common stock options 8,657
Total common shares reserved 17,309
Restricted Stock Units (RSUs) [Member]
  
Class of Stock [Line Items]  
Reserved for vesting of outstanding stock units 113
2004 Long-Term Incentive Compensation Plan [Member]
  
Class of Stock [Line Items]  
Reserved for future issuance of shares 7,785
Non-Employee Director Stock Compensation And Deferral Program [Member]
  
Class of Stock [Line Items]  
Reserved for future issuance of shares 100
Series A Preferred Stock [Member]
  
Class of Stock [Line Items]  
Series A preferred stock reserved for exercise of rights issued under shareholders' rights plan 200