Stockholders' Equity (Narratives) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Apr. 26, 2012 Computershare Shareholder Services LLC Restated Rights Plan Series A Preferred Stock
Class of Warrant or Right [Line Items]
Amount of shares to purchase per right (in shares)			0.001
Foreign currency transaction realized gain from liquidation of Japanese subsidiary	$ 1.9	$ 1.9