XML 45 R31.htm IDEA: XBRL DOCUMENT v3.5.0.2

Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Share-Based Compensation

The following is a summary of share-based compensation expense:

	For the Three Months Ended June 30,								For the Six Months Ended June 30,
	2015				2016				2015				2016
Share-based compensation	$	9.1			$	10.8			$	17.0			$	20.0
Tax benefit	3.5				4.2				6.6				7.7

Schedule of Company Stock Option Transactions

The following table summarizes the transactions of the Company’s stock options:

	Stock Options			Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (years)
Unexercised options outstanding - December 31, 2015	1.4			$	96.18
Options granted	0.4			122.40
Options exercised	(0.1	)		77.77
Unexercised options outstanding - June 30, 2016	1.7			103.78				2.9
Exercisable at June 30, 2016	1.2			95.93				1.7

Schedule of Fair Value of Options Granted and Assumptions

For the six months ended June 30, 2015 and 2016, the weighted average fair value of options granted was $54.13 and $38.90, per option, respectively, based on the weighted-average grant date assumptions stated below.

		For the Six Months Ended June 30,
		2015			2016
Dividend yield		—	%		—	%
Expected volatility(1)		27.9	%		30.6	%
Risk-free interest rate(2)		1.3	%		1.6	%
Expected life of options (in years)(3)		5.0			5.7
Forfeiture rate		—	%		—	%

___________________________

⁽¹⁾  Expected volatility is based on historical and implied volatility.

⁽²⁾  Risk-free interest rate is based on the U.S. Treasury yield curve in effect at the date of the grant.

⁽³⁾  Expected life of options (in years) is based on the Company’s historical data and expected exercise behavior.

Schedule of Company Restricted Stock Unit Transactions

The following table summarizes the transactions of the Company’s restricted stock units:

	Restricted Stock Units			Weighted Average Grant Date Value
Unvested units - December 31, 2015	0.6			$	192.04
Units granted	0.2			122.43
Units vested	(0.1	)		176.59
Units forfeited	(0.1	)		180.30
Unvested units - June 30, 2016	0.6			169.40

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration