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Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Share-based Arrangements with Employees and Nonemployees [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The following table summarizes the expenses recognized:



In millions	2014		2013		2012
Stock options	$	16.4	$	23.0	$	5.7
RSUs	24.6		29.9		22.0
PSUs	24.2		20.2		22.5
Deferred compensation	1.9		1.9		0.1
Other	0.6		2.9		2.3
Pre-tax expense	67.7		77.9		52.6
Tax benefit	25.9		29.8		20.1
After-tax expense	$	41.8	$	48.1	$	32.5
Amounts recorded in continuing operations	$	41.8	$	43.4	$	28.6
Amounts recorded in discontinued operations	—		4.7		3.9
Total	$	41.8	$	48.1	$	32.5

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The following assumptions were used:



	2014		2013
Dividend yield	1.67	%	1.60	%
Volatility	31.43	%	42.15	%
Risk-free rate of return	1.46	%	0.85	%
Expected life	4.9		5.1

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Changes in options outstanding under the plans for the years 2014, 2013 and 2012 are as follows:



	Shares subject to option		Weighted- average exercise price		Aggregate intrinsic value (millions)		Weighted- average remaining life
December 31, 2011	18,615,276		$	33.97
Granted	1,463,352		40.67
Exercised	(5,578,783	)	28.87
Cancelled	(408,883	)	41.30
December 31, 2012	14,090,962		36.47
Granted	1,341,602		52.71
Exercised	(6,994,024	)	35.33
Cancelled	(110,496	)	44.57
Impact of Spin-off	371,984		****
December 31, 2013	8,700,028		31.87
Granted	1,160,057		59.82
Exercised	(2,253,094	)	31.04
Cancelled	(104,378	)	47.85
Outstanding December 31, 2014	7,502,613		$	36.21	$	203.9	5.5
Exercisable December 31, 2014	5,127,891		$	30.47	$	168.8	4.3

Schedule of Share-based Compensation, Activity [Table Text Block]

The following table summarizes information concerning currently outstanding and exercisable options as adjusted for the spin-off as discussed above:



					Options outstanding				Options exercisable
Range of exercise price					Number outstanding at December 31, 2014	Weighted- average remaining life	Weighted- average exercise price		Number outstanding at December 31, 2014	Weighted- average remaining life	Weighted- average exercise price
10.01		—	20.00		610,934	2.7	15.03		610,934	2.7	15.03
20.01		—	30.00		1,303,401	4.4	25.60		1,302,062	4.4	25.60
30.01		—	40.00		3,164,061	4.6	33.98		2,746,192	4.2	34.22
40.01		—	50.00		1,306,079	7.4	41.95		460,016	6.3	41.88
50.01		—	60.00		1,118,138	9.1	59.79		8,687	3.5	59.83
$	15.03	—	$	59.83	7,502,613	5.5	$	36.21	5,127,891	4.3	$	30.47

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

For restricted stock awarded prior to the spin-off, grant price information in the table below reflects historical market prices. The following table summarizes RSU activity for the years 2014, 2013 and 2012:



	RSUs		Weighted- average grant date fair value
Outstanding and unvested at December 31, 2011	1,307,173		$	35.00
Granted	643,822		40.74
Vested	(575,214	)	30.05
Cancelled	(91,089	)	38.92
Outstanding and unvested at December 31, 2012	1,284,692		$	39.81
Granted	685,441		53.78
Vested	(669,079	)	38.44
Cancelled	(63,954	)	43.98
Impact of Spin-off	103,882		****
Outstanding and unvested at December 31, 2013	1,340,982		$	38.49
Granted	378,873		59.79
Vested	(630,185	)	35.73
Cancelled	(41,921	)	45.14
Outstanding and unvested at December 31, 2014	1,047,749		$	47.60

Schedule of Share-based Compensation, Performance Shares [Table Text Block]

The following table summarizes PSU activity for the maximum number of shares that may be issued for the years 2014, 2013 and 2012:



	PSUs		Weighted-average grant date fair value
Outstanding and unvested at December 31, 2011	2,632,996		$	27.76
Granted	649,668		50.75
Vested	—		—
Forfeited	(1,423,028	)	18.68
Outstanding and unvested at December 31, 2012	1,859,636		$	40.30
Granted	580,910		61.24
Vested	(718,040	)	34.94
Forfeited	(150,636	)	51.43
Impact of spin-off	380,780		****
Outstanding and unvested at December 31, 2013	1,952,650		$	39.20
Granted	473,988		66.22
Vested	(604,649	)	27.84
Forfeited	(36,991	)	44.33
Outstanding and unvested at December 31, 2014	1,784,998		$	50.12

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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