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Stock-Based Compensation (Tables) | 9 Months Ended
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Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of stock-based compensation expense recognized |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Total stock-based compensation related to RSUs included in indirect costs and selling expense |  | $ | 4,856 |  |  | $ | 3,857 |  |  | $ | 13,329 |  |  | $ | 10,051 |
Income tax benefit recognized for stock-based compensation expense |  | $ | 1,719 |  |  | $ | 1,378 |  |  | $ | 4,897 |  |  | $ | 3,737 |
Schedule of activity related to SSARs/non-qualified stock options and RSUs |
|  | SSARs/ Non-qualified Stock Options |  |  | RSUs |
Outstanding, June 30, 2015 |  |  | 42,660 |  |  |  | 864,566 |
Granted |  |  | — |  |  |  | 270,767 |
Exercised/Issued |  |  | (35,860 | ) |  |  | (189,105 | )
Forfeited/Lapsed |  |  | (6,800 | ) |  |  | (39,256 | )
Outstanding, March 31, 2016 |  |  | — |  |  |  | 906,972 |
Weighted-average grant date fair value for RSUs |  |  |  |  |  | $ | 80.42 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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