Share-based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Mar. 31, 2014
Stock-based Compensation
Number of share-based employee compensation plans	4
Options outstanding (in shares)	2,300,000
Maximum
Other disclosures
Share-based compensation awards vesting period	3 years
Share-based compensation awards maximum contractual term	10 years
Restricted stock
Stock-based Compensation
Unvested stock outstanding under the plan (in shares)	182,000
Shares already vested under a plan since its inception	63,000
Other disclosures
Total unrecognized compensation cost related to non-vested share-based compensation awards granted under the Plans	$ 6.9
Weighted average period during which the cost is expected to be recognized	1 year 9 months 18 days
2006 LTIP
Stock-based Compensation
Options issued (in shares)	834,000
Shares authorized	2,500,000
Options exercised (in shares)	937,000
Shares for future issuances	10,000
2006 LTIP | Restricted stock
Stock-based Compensation
Shares already vested under a plan since its inception	719,000
2011 LTIP
Stock-based Compensation
Options issued (in shares)	1,200,000
Shares authorized	1,500,000
Shares for future issuances	59,000
Additional shares exercised	50,000
2011 LTIP | Restricted stock
Stock-based Compensation
Unvested stock outstanding under the plan (in shares)	182,000
Shares already vested under a plan since its inception	54,000
2014 LTIP
Stock-based Compensation
Granted (in shares)	0
2003 Plan
Stock-based Compensation
Options issued (in shares)	276,000
Shares authorized	1,100,000
Options exercised (in shares)	450,000
2014 Plan
Stock-based Compensation
Shares authorized	3,000,000