Summary of Significant Accounting Policies (Detail Textuals) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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| Accounting Policies [Abstract] | ||||
| Antidilutive securities excluded from computation of earnings per share | 5.2 | 6.3 | 6.4 | 6.9 |
| Amounts of tax included on a gross basis | $ 80.4 | $ 71.5 | $ 152.1 | $ 134.0 |
| Foreign currency transactions gain (loss) | $ (8.1) | $ (3.7) | $ (10.8) | $ (0.3) |
| X | ||||||||||
- Definition Business and other taxes on revenues. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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