Income Per Share (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended	0 Months Ended
	Mar. 01, 2014	Sep. 30, 2013	Feb. 28, 2015
Conversion of redeemable preference shares
Redemption percentage of the liquidation preference per share		105.00%
Liquidation preference (in dollars per share)		$ 100
Liquidation preference		$ 199,937
Par value of common stock (in dollars per share)	$ 1	$ 1.00	$ 1
Closing price per share (in dollars per share)		$ 4.76
Conversion of Series G and H preferred stock	25,603
Preferred Stock (Series G and H)
Conversion of redeemable preference shares
Contracted conversion rate (in dollars per share)		$ 5.50
Total common stock shares issuable at contracted conversion rate		34,621,117
Conversion of Series G and H preferred stock		25,603
Diluted earning per share due to conversion of preferred stock (in dollars per share)		$ 0.03
Common stock issued on conversion of preferred stock (in shares)		5,378,883
Common Stock
Conversion of redeemable preference shares
Common stock issued upon redemption of preferred stock (in shares)		40,000,000
Market value of common stock issued upon redemption of preferred stock		$ 190,400