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Employee Benefit Plans (Employer Contributions) (Details) (USD $) In Thousands | 12 Months Ended
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Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2009
Employer contributions | $ 6,371 | $ 3,595 | $ 4,819
Matching Contributions [Member] |  |  |
Employer contributions | 419 | 395 | 419
Discretionary Contributions [Member] |  |  |
Employer contributions | $ 5,952 | $ 3,200 | $ 4,400

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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration