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Consolidated Statements Of Shareholders' Equity (USD $) In Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interest In Joint Venture [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Jun. 30, 2008 |  | $ 3,895 | $ 416,337 | [1] | $ 598,064 | [1] | $ 6,768 | $ 995 | [1] | $ (66,992) | $ 959,067 | [1]
Shares, Outstanding, Beginning Balance at Jun. 30, 2008 |  | 38,948 |  |  |  |  |  |  |  | 8,731 |  |
Net income attributable to CACI | [1] |  |  |  | 89,698 |  |  |  |  |  | 89,698 | [2]
Noncontrolling interest in earnings of joint venture | [1] |  |  |  |  |  |  | 719 |  |  | 719 | [2]
Stock-based compensation expense | [1] |  | 16,821 |  |  |  |  |  |  |  | 16,821 | [3]
Exercise of stock options and vesting of restricted stock units, shares |  | 143 |  |  |  |  |  |  |  |  |  |
Exercise of stock options and vesting of restricted stock units |  | 14 | (240) | [1] |  |  |  |  |  |  | (226) | [1]
Adjustment for unrecognized tax benefit | [1] |  | (6,682) |  |  |  |  |  |  |  | (6,682) |
Currency translation adjustment |  |  |  |  |  |  | (9,616) |  |  |  | (9,616) | [1],[3]
Change in fair value of interest rate swap agreements |  |  |  |  |  |  | (332) |  |  |  | (332) | [1],[3]
Repurchases of common stock, shares |  |  |  |  |  |  |  |  |  | 482 |  |
Repurchases of common stock |  |  |  |  |  |  |  |  |  | (23,705) | (23,705) | [1],[3]
Treasury stock issued under stock purchase plans, shares |  |  |  |  |  |  |  |  |  | (95) |  |
Treasury stock issued under stock purchase plans |  |  | (243) | [1] |  |  |  |  |  | 4,014 | 3,771 | [1]
Post-retirement benefit costs |  |  |  |  |  |  | (68) |  |  |  | (68) | [1]
Stockholders' equity, Other | [1] |  |  |  |  |  |  | 161 |  |  | 161 |
Ending Balance at Jun. 30, 2009 |  | 3,909 | 425,993 | [1] | 687,762 | [1] | (3,248) | 1,875 | [1] | (86,683) | 1,029,608 | [1]
Shares, Outstanding, Ending Balance at Jun. 30, 2009 |  | 39,091 |  |  |  |  |  |  |  | 9,118 |  |
Net income attributable to CACI | [1] |  |  |  | 106,515 |  |  |  |  |  | 106,515 |
Noncontrolling interest in earnings of joint venture | [1] |  |  |  |  |  |  | 743 |  |  | 743 |
Stock-based compensation expense | [1] |  | 30,750 |  |  |  |  |  |  |  | 30,750 |
Exercise of stock options and vesting of restricted stock units, shares |  | 275 |  |  |  |  |  |  |  |  |  |
Exercise of stock options and vesting of restricted stock units |  | 28 | 4,554 | [1] |  |  |  |  |  |  | 4,582 | [1]
Adjustment for unrecognized tax benefit | [1] |  | 7,775 |  |  |  |  |  |  |  | 7,775 |
Currency translation adjustment |  |  |  |  |  |  | (7,751) |  |  |  | (7,751) | [1]
Change in fair value of interest rate swap agreements |  |  |  |  |  |  | 1,045 |  |  |  | 1,045 | [1]
Repurchases of common stock, shares |  |  |  |  |  |  |  |  |  | 75 |  |
Repurchases of common stock |  |  |  |  |  |  |  |  |  | (3,496) | (3,496) | [1]
Treasury stock issued under stock purchase plans, shares |  |  |  |  |  |  |  |  |  | (76) |  |
Treasury stock issued under stock purchase plans |  |  | (113) | [1] |  |  |  |  |  | 3,526 | 3,413 | [1]
Post-retirement benefit costs |  |  |  |  |  |  | 147 |  |  |  | 147 | [1]
Net distributions to noncontrolling interest | [1] |  |  |  |  |  |  | (176) |  |  | (176) |
Ending Balance at Jun. 30, 2010 |  | 3,937 | 468,959 | [1] | 794,277 | [1] | (9,807) | 2,442 | [1] | (86,653) | 1,173,155 | [1]
Shares, Outstanding, Ending Balance at Jun. 30, 2010 |  | 39,366 |  |  |  |  |  |  |  | 9,117 |  |
Net income attributable to CACI | [1] |  |  |  | 144,218 |  |  |  |  |  | 144,218 |
Noncontrolling interest in earnings of joint venture | [1] |  |  |  |  |  |  | 934 |  |  | 934 |
Stock-based compensation expense | [1] |  | 17,915 |  |  |  |  |  |  |  | 17,915 |
Exercise of stock options and vesting of restricted stock units, shares |  | 907 |  |  |  |  |  |  |  |  |  |
Exercise of stock options and vesting of restricted stock units |  | 90 | 16,773 | [1] |  |  |  |  |  |  | 16,863 | [1]
Adjustment for unrecognized tax benefit | [1] |  | 335 |  |  |  |  |  |  |  | 335 |
Currency translation adjustment |  |  |  |  |  |  | 6,716 |  |  |  | 6,716 | [1]
Repurchases of common stock, shares |  |  |  |  |  |  |  |  |  | 1,041 |  |
Repurchases of common stock |  |  |  |  |  |  |  |  |  | (53,647) | (53,647) | [1]
Treasury stock issued under stock purchase plans, shares |  |  |  |  |  |  |  |  |  | (81) |  |
Treasury stock issued under stock purchase plans |  |  | 174 | [1] |  |  |  |  |  | 3,669 | 3,843 | [1]
Post-retirement benefit costs |  |  |  |  |  |  | (24) |  |  |  | (24) | [1]
Net distributions to noncontrolling interest | [1] |  |  |  |  |  |  | (692) |  |  | (692) |
Ending Balance at Jun. 30, 2011 |  | $ 4,027 | $ 504,156 | [1] | $ 938,495 | [1] | $ (3,115) | $ 2,684 | [1] | $ (136,631) | $ 1,309,616 | [1]
Shares, Outstanding, Ending Balance at Jun. 30, 2011 |  | 40,273 |  |  |  |  |  |  |  | 10,077 |  |
[1] | Certain amounts as of and for the years ended June 30, 2008 and 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.
[2] | Certain amounts for the year ended June 30, 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.
[3] | Certain amounts for the year ended June 30, 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.

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- Definition Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 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 AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 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 AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 1 -Section B -Paragraph 11A -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. + Details
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