Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount of the effect of a change in accounting principle on diluted earnings per share.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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New Accounting Pronouncements (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Jan. 01, 2017
New Accounting Pronouncements
Income tax expense (benefit)	$ 78.1	$ 83.4	$ 212.7	$ 222.6
Impact of ASU 2016-09
New Accounting Pronouncements
Income tax expense (benefit)	$ (16.6)		$ (45.8)
Increase in diluted earnings per share (in dollars per share)	$ 0.05		$ 0.14
Cumulative-effect adjustment to retained earnings					$ 0.0