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Litigation
12 Months Ended
Dec. 31, 2012
Litigation [Abstract]  
Litigation
 
15.
Litigation
 
From time to time, the Company is involved in litigation and other legal proceedings arising out of the ordinary course of its business. On October 15, 2010, a putative securities class action was filed in the United States District Court for the Middle District of Florida. On March 20, 2012, the District Court granted the Company’s motion to dismiss the complaint for failure to state a claim, and the Eleventh Circuit Court of Appeals upheld that dismissal on December 13, 2012.  A shareholder derivative action alleging similar facts was filed in the Circuit Court of Fairfax County, Virginia, which action was voluntarily dismissed by nonsuit on June 12, 2012.  There are no pending material legal proceedings to which we are subject or to which our property is subject.