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Share-Based Payments (Details 1) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Summary of share based compensation expense associated with different programs
Subtotal	$ 48.3	$ 58.1	$ 139.3	$ 134.7
Capitalized share-based compensation costs	(2.2)	(2.6)	(5.6)	(5.2)
Share-based compensation expense included in total costs and expenses	46.1	55.5	133.7	129.5
Market stock units
Summary of share based compensation expense associated with different programs
Share-based compensation expense	9.1	8.2	26.1	23.1
Time-vested restricted stock units
Summary of share based compensation expense associated with different programs
Share-based compensation expense	31.8	29.2	63.7	58.4
Cash settled performance shares
Summary of share based compensation expense associated with different programs
Share-based compensation expense	3.2	14.0	27.0	35.4
Performance units
Summary of share based compensation expense associated with different programs
Share-based compensation expense	1.2	4.0	14.4	10.3
Employee stock purchase plan
Summary of share based compensation expense associated with different programs
Share-based compensation expense	$ 3.0	$ 2.7	$ 8.1	$ 7.5

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Share based compensation expense included in costs and expenses.

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Summary of share-based compensation expense associated with different programs.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section S99



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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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