v3.5.0.2

Stock Repurchases, Dividends and Earnings per Share - Share Repurchase Activity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Equity [Abstract]
Number of shares repurchased (in shares)	2.2	2.3	6.5	7.3
Amount paid	$ 110.5	$ 93.8	$ 306.6	$ 293.3
Weighted average cost per share (in dollars per share)	$ 50.75	$ 40.89	$ 47.83	$ 40.66

X

- Definition

Treasury Stock, Shares, Acquired, Shares Repurchased Pursuant to Share Repurchase Program

+ References

No definition available.

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X

- Definition

Treasury Stock, Value, Acquired, Shares Repurchased Pursuant to Share Repurchase Program

+ References

No definition available.

+ Details

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X

- References

No definition available.

+ Details

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X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

+ Details

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