Shareholders' Equity of the Company Redemption of Senior Exchangeable Notes (Details) (Subsidiaries [Member], 3.75% Senior Exchangeable Notes [Member])	3 Months Ended
	Sep. 30, 2011
Subsidiaries [Member] | 3.75% Senior Exchangeable Notes [Member]
Number of Company Common Shares Issued Upon Exchange of Convertible Debt	136,360