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Employee Benefit Plans (Tables) | 6 Months Ended
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Dec. 31, 2017
Compensation and Retirement Disclosure [Abstract] |
Components Of Stock-Based Compensation Expense | The following table represents stock-based compensation expense for the three and six months ended December 31, 2017 and 2016, respectively:
| Three Months Ended |  | Six Months Ended
| December 31, |  | December 31,
| 2017 |  | 2016 |  | 2017 |  | 2016
Operating expenses | $ | 5.4 |  |  | $ | 6.3 |  |  | $ | 10.6 |  |  | $ | 11.8 |
Selling, general and administrative expenses | 27.5 |  |  | 24.3 |  |  | 56.1 |  |  | 45.9 |
System development and programming costs | 5.8 |  |  | 5.2 |  |  | 11.0 |  |  | 9.2 |
Total stock-based compensation expense | $ | 38.7 |  |  | $ | 35.8 |  |  | $ | 77.7 |  |  | $ | 66.9 |
Schedule of Net Benefit Costs | The components of net pension expense were as follows:
| Three Months Ended |  |  | Six Months Ended
| December 31, |  |  | December 31,
| 2017 |  | 2016 |  |  | 2017 |  | 2016
Service cost – benefits earned during the period | $ | 18.6 |  |  | $ | 20.2 |  |  |  | $ | 37.3 |  |  | $ | 40.4 |
Interest cost on projected benefits | 16.3 |  |  | 14.9 |  |  |  | 32.6 |  |  | 30.0 |
Expected return on plan assets | (34.3 | ) |  | (33.9 | ) |  |  | (68.6 | ) |  | (67.9 | )
Net amortization and deferral | 2.1 |  |  | 4.8 |  |  |  | 4.2 |  |  | 9.6 |
Net pension expense | $ | 2.7 |  |  | $ | 6.0 |  |  |  | $ | 5.5 |  |  | $ | 12.1 |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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