Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion of investments accounted under the cost method.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Jul. 01, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Contingent consideration (See Note 3)	$ 18.8		$ 19.6
Cost method Investments, fair value	$ 13.3		$ 12.3
1.00% Notes
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)	1.00%
2.625% Notes, Series B
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)	2.625%		2.625%
Fair Value, Measurements, Recurring \| Estimate of Fair Value
Debt Instrument [Line Items]
Contingent consideration (See Note 3)	$ 3.7	$ 5.0	$ 5.0