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Related Party Transactions Company Repurchase of Common Stock from Related Parties (Details) (Officer, USD $) | 3 Months Ended
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Dec. 31, 2013 | Jun. 30, 2013
Officer |  |
Related Party Transaction [Line Items] |  |
Treasury Stock, Shares, Acquired | 28,130us-gaap_TreasuryStockSharesAcquired / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_OfficerMember | 17,524us-gaap_TreasuryStockSharesAcquired / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_OfficerMember
Treasury Stock Acquired, Average Cost Per Share | $ 80.01us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_OfficerMember | $ 71.50us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_OfficerMember

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- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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Balance Type: | na
Period Type: | duration