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Stock Based Compensation Narrative (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expense for stock-based compensation | $ 10,091 | $ 8,615 | $ 6,950
Restricted Stock Plan Expense | 9,335 | 7,962 | 6,364
Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Termination of Employment | 0 years 30 days |  |
Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Retirement | 0 years 3 months 0 days |  |
Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Death | 1 year |  |
Share-based Compensation Arrangement by Share-based Payment Award, Termination After Grant Date | 10 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date | Oct. 29, 2006 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 6 months |  |
Deferred Compensation Arrangement with Individual, Requisite Service Period | P4Y |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vesting After One Year | 25.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vesting After Two Years | 50.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vesting After Three Years | 75.00% |  |
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance | 700 |  |
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance for each Director | 100 |  |
1996 SOP [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Adopted Date | Oct. 29, 1996 |  |
2005 NSOP [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Adopted Date | Sep. 23, 2005 |  |
Employee Stock Option [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense yet to be recognized | 0 |  |
Weighted average remaining contractual term | 3 years 179 days |  |
Income tax benefits from stock option exercises | 3,420 | 3,632 | 3,631
Total intrinsic value of options exercised | 704 | 8,254 | 9,654
Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Adopted Date | Aug. 20, 2010 |  |
Compensation expense yet to be recognized | 8,193 |  |
Compensation expense yet to be recognized, period for recognition | 332 days |  |
Restricted Stock [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Adopted Date | Nov. 01, 2005 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Termination After Grant Date | 7 years |  |
Deferred Compensation Arrangement with Individual, Requisite Service Period | P3Y |  |
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance | 3,000 |  |
Compensation expense yet to be recognized | $ 1,492 |  |
Compensation expense yet to be recognized, period for recognition | 336 days |  |

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- Definition Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals. + References No definition available. + Details
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- Definition The minimum period that the individual is required to perform services in order to be fully vested under the deferred compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Date the equity-based award expires, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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