Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2017

Stock-Based Compensation Plans

Stock-Based Compensation Disclosures (Table)

	For the six months ended June 30,
	2017		2016
	(in millions)
Compensation cost	$	43.2	$	34.5
Related income tax benefit	14.2		10.7
Capitalized as part of an asset	1.2		1.3

Nonqualified Stock Options Fair Value (Table)

	For the six months ended
	June 30, 2017
Expected volatility	27.6		%
Expected term (in years)	7.0
Risk-free interest rate	2.2		%
Expected dividend yield	2.87		%
Weighted average estimated fair value per common share	$	15.31