Share - Based Compensation (Details) (USD $) In Thousands	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Compensation costs charged to expense under award programs
Total compensation costs under award programs	$ 5,631	$ 5,125	$ 4,094
SARs and options [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	2,473	3,020	3,702
Performance shares [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	1,705	1,076	0
Restricted stock and RSUs [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	$ 1,453	$ 1,029	$ 392

Represents the expense recognized during the period arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64
-Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph g(1)

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration