Common Stock and Stock-Based Compensation Plans (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Summary of stock option and SARs activity and related information
Number of shares outstanding, Beginning balance	2,018,796
Number of shares, SAR units granted (1)	537,000
Number of shares, Options exercised	(3,908)
Number of shares, Options/SAR units forfeited or expired	(5,282)
Number of shares outstanding, Ending balance (2)	2,546,606
Weighted-average exercise price, Beginning Balance	$ 15.93
Weighted-average exercise price, SAR units granted (1)	$ 15.54
Weighted-average exercise price, Options exercised	$ 7.97
Weighted-average exercise price, Options/SAR units forfeited or expired	$ 20.96
Weighted-average exercise price, Ending Balance (2)	$ 15.85
Weighted-average remaining contractual term, Ending Balance (2)	5 years 1 month 6 days
Number of shares, Exercisable	1,202,457
Weighted-average exercise price, Exercisable	$ 12.32
Weighted-average remaining contractual term, Exercisable	3 years 6 months
Aggregate intrinsic value, Exercisable	$ 2,471,668
Percentage of Stock appreciation rights units subject to grant	75.00%
Stock appreciation rights grants, common stock issuable upon exercise	2,412,606