Restructuring (Details) (FLORIDA [Member], Nutritionals [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Restructuring [Line Items]
Restructuring costs	$ 7,081
Asset Impairment [Member]
Restructuring [Line Items]
Restructuring costs	6,298
Employee Severance [Member]
Restructuring [Line Items]
Restructuring costs	783
Number of employees receiving employee termination benefits due to restructuring	147,000
Minimum [Member] | Employee Severance [Member]
Restructuring [Line Items]
Planned restructuring costs	1,000
Maximum [Member] | Employee Severance [Member]
Restructuring [Line Items]
Planned restructuring costs	$ 2,000