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Subsequent Events (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 0 Months Ended
May 31, 2014
Credit Agreement
May 31, 2014
Credit Agreement
Maximum
Jun. 11, 2014
Subsequent event
Credit Agreement
Jun. 11, 2014
Subsequent event
Credit Agreement
Maximum
Jun. 11, 2014
Subsequent event
Credit Agreement
Limitation on dividends and stock repurchases
item
Jun. 11, 2014
Subsequent event
Credit Agreement
Limitation on dividends and stock repurchases
Maximum
Jun. 30, 2014
Subsequent event
Healthy Directions
Subsequent Events              
Purchase price in cash             $ 195.28
Unsecured revolving commitment $ 375   $ 570        
Leverage Ratio   300.00%   325.00%   275.00%  
Number of trailing fiscal quarters used in calculating the Leverage Ratio under credit agreement         4