Supplemental Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions |
Mar. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Supplemental Financial Information [Abstract] | ||
| Deferred revenue | $ 177.4 | $ 218.6 |
| Unrecognized tax benefits (inclusive of interest and penalties) | 157.2 | 149.7 |
| Intangible liabilities | 5.8 | 12.6 |
| Supplemental executive retirement plan liabilities | 33.8 | 34.4 |
| Personnel costs | 11.5 | 17.7 |
| Deferred Tax Liabilities, Net, Noncurrent | 9.9 | 4.4 |
| Other | 9.6 | 11.8 |
| Other liabilities | $ 405.2 | $ 449.2 |
| X | ||||||||||
- Definition Intangible Liabilities Noncurrent No definition available.
|
| X | ||||||||||
- Definition Supplemental Executive Retirement Plan Liabilities No definition available.
|
| X | ||||||||||
- Definition Supplemental Financial Information [Abstract] No definition available.
|
| X | ||||||||||
- Definition The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, netted by jurisdiction and classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The noncurrent portion (due beyond one year or one operating cycle) of other accrued expenses (expenses incurred at the end of the reporting period but not yet paid) not otherwise defined in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for employer-related costs not otherwise specified in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|