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Employee Benefit Plans (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock options - term for stock options granted, in years | 10 years |
Shares repurchased | 600,000 | 4,200,000
Stock-based compensation expense | $ 38.8 | $ 23.3
Total stock-based compensation - related tax benefits | 13.9 | 8.4
Discontinued Operations Stock Based Compensation Expense | 5.1 | 3.9
Weighted Average converted grant price | $ 46.85 |
Discontinued Operations Net Pension Expense | 4.3 | 1.2
Defined Benefit Plan, Curtailments | 3.2 | 0
Stock Options Granted Prior To July Two Thousand Eight [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Share-based Payment Award Vesting Period | 5 years |
Stock Options Granted After July 2008 [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Share-based Payment Award Vesting Period | 4 years |
Time Based Restricted Stock granted prior to Fiscal 2013 [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Share-based Payment Award Vesting Period | 5 years |
Time Based Restricted Stock granted during Fiscal 2013 [Domain] [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Share-based Payment Award Vesting Period | 2 years |
Performance Based Restricted Stock and Units [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Minimum percentage that will ultimately vest under performance-based restricted stock awards based on performance target | 0.00% |
Maximum percentage that will ultimately vest under performance-based restricted stock awards based on performance target | 150.00% |
Employee Stock [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Purchase price of common stock as percentage of market value | 95.00% |
Non-Vested Stock Options [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Total remaining unrecognized compensation cost | 11.5 |
Weighted-average remaining requisite vesting period | 1 year 9 months 29 days |
Nonvested Restricted Stock Unit [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Total remaining unrecognized compensation cost | 37.2 |
Weighted-average remaining requisite vesting period | 1 year 7 months 2 days |
Non-Vested Restricted Stock [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Total remaining unrecognized compensation cost | $ 156.8 |
Weighted-average remaining requisite vesting period | 1 year 9 months 20 days |
Employee Stock Option [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | 849,000 |
Time-Based Restricted Stock [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | 261,000 |
Time-Based Restricted Stock Units [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | 64,000 |
Performance-Based Restricted Stock [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | 181,000 |
Performance Based Restricted Stock Unit [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | 10,000 |
Minimum [Member] | Performance Based Restricted Stock and Units [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Share Based Payment Award Performance Period | 1 year |
Maximum [Member] | Performance Based Restricted Stock and Units [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Share Based Payment Award Performance Period | 3 years |
Share-based Payment Award Requisite Service Period | 26 months |
CDK Global Inc [Member] | Employee Stock Option [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | (823,000) |
CDK Global Inc [Member] | Time-Based Restricted Stock [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | (189,000) |
CDK Global Inc [Member] | Time-Based Restricted Stock Units [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | (43,000) |
CDK Global Inc [Member] | Performance-Based Restricted Stock [Member] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | (45,000) |
CDK Global Inc [Member] | Performance Based Restricted Stock Unit [Domain] |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Shares Increase (Decrease) due to Spinoff | (35,000) |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 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 Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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 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 Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan. + 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 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 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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