The Company (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended					1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended
	Nov. 30, 2013 sqft	Nov. 30, 2013 Miami, FL [Member] Short term property [Member] sqft	Nov. 30, 2013 Houston, TX [Member] Short term property [Member] sqft	Nov. 30, 2013 Fairfield, CT [Member] Short term property [Member] sqft	Nov. 30, 2013 Secaucus, NJ Condo [Member] Short term property [Member] sqft	Apr. 30, 2013 Southfield MI [Member] sqft	Nov. 30, 2013 Southfield MI [Member] Short term property [Member] sqft	Jul. 31, 2013 Marietta, GA [Member] sqft	Nov. 30, 2013 Marietta, GA [Member] Short term property [Member] sqft	Aug. 31, 2013 Ft. Lauderdale [Member] sqft	Nov. 30, 2013 Ft. Lauderdale [Member] Short term property [Member] sqft	Aug. 31, 2013 Elmsford, NY [Member] sqft	Nov. 30, 2013 Elmsford, NY [Member] Medium term property [Member] sqft	Nov. 30, 2013 Cherry Hill, NJ [Member] Short term property [Member] sqft	Nov. 30, 2013 Addison, IL [Member] Short term property [Member] sqft
Area of Land	609,000	53,000	42,000	43,000	2,000	60,000	60,000	77,000	77,000	55,000	55,000	59,000	59,000	150,000	68,000
Proceeds from Sale of Buildings	$ 49.2	$ 4.1	$ 3.6	$ 5.5	$ 0.3	$ 2.5	$ 2.5	$ 2.9	$ 2.9	$ 1.9	$ 1.9	$ 22.0	$ 22.0	$ 4.5	$ 1.9
Sale Of Property Period		Sep. 30, 2012	Nov. 30, 2012	Dec. 31, 2012	Jan. 31, 2013		Apr. 30, 2013		Jul. 31, 2013		Aug. 31, 2013		Aug. 31, 2013	Sep. 30, 2013	Dec. 31, 2013