Income Taxes Tax Statutes (Details)	12 Months Ended
	Dec. 31, 2012
U.S. Internal Revenue Service
Income Tax Examination
Open Tax Years	2009 – 2012
State of Alabama
Income Tax Examination
Open Tax Years	2009 – 2012
State of Florida
Income Tax Examination
Open Tax Years	2005 – 2006, 2009 – 2012
State of Georgia
Income Tax Examination
Open Tax Years	2009 – 2012
New Zealand Inland Revenue
Income Tax Examination
Open Tax Years	2008 – 2012